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164564383465461 = 377836399212641
BaseRepresentation
bin100101011010101110100001…
…100111100111111111110101
3210120200012102211110101100110
4211122232201213213333311
5133032210324131343321
61341555500055333233
746443245555453040
oct4532564147477765
9716605384411313
10164564383465461
11484873aa310931
121655981b081219
1370a947c58bb45
142c8cd5c7b3c57
151405a6d433176
hex95aba19e7ff5

164564383465461 has 8 divisors (see below), whose sum is σ = 250764774804544. Its totient is φ = 94036790551680.

The previous prime is 164564383465397. The next prime is 164564383465463.

164564383465461 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164564383465461 - 26 = 164564383465397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164564383465392 and 164564383465401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164564383465463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918199606300 + ... + 3918199606341.

It is an arithmetic number, because the mean of its divisors is an integer number (31345596850568).

Almost surely, 2164564383465461 is an apocalyptic number.

It is an amenable number.

164564383465461 is a deficient number, since it is larger than the sum of its proper divisors (86200391339083).

164564383465461 is an equidigital number, since it uses as much as digits as its factorization.

164564383465461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836399212651.

The product of its digits is 597196800, while the sum is 66.

The spelling of 164564383465461 in words is "one hundred sixty-four trillion, five hundred sixty-four billion, three hundred eighty-three million, four hundred sixty-five thousand, four hundred sixty-one".

Divisors: 1 3 7 21 7836399212641 23509197637923 54854794488487 164564383465461