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164041657 = 1321795791
BaseRepresentation
bin10011100011100…
…01001110111001
3102102200011211221
421301301032321
5313443313112
624135552041
74031221363
oct1161611671
9372604757
10164041657
1184662a1a
1246b2b621
1327ca7290
1417b01d33
15e604e07
hex9c713b9

164041657 has 8 divisors (see below), whose sum is σ = 176771840. Its totient is φ = 151327440.

The previous prime is 164041651. The next prime is 164041673. The reversal of 164041657 is 756140461.

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

It is a cyclic number.

It is not a de Polignac number, because 164041657 - 211 = 164039609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164041651) 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, 25432 + ... + 31222.

It is an arithmetic number, because the mean of its divisors is an integer number (22096480).

Almost surely, 2164041657 is an apocalyptic number.

It is an amenable number.

164041657 is a deficient number, since it is larger than the sum of its proper divisors (12730183).

164041657 is a wasteful number, since it uses less digits than its factorization.

164041657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 164041657 is about 12807.8748041976. The cubic root of 164041657 is about 547.4167086934.

The spelling of 164041657 in words is "one hundred sixty-four million, forty-one thousand, six hundred fifty-seven".

Divisors: 1 13 2179 5791 28327 75283 12618589 164041657