164454161454461 has 8 divisors (see below), whose sum is σ = 166537536497280. Its totient is φ = 162370828331712.

The previous prime is 164454161454413. The next prime is 164454161454481.

164454161454461 is nontrivially palindromic in base 10.

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 164454161454461 - 2³⁰ = 164453087712637 is a prime.

It is a super-2 number, since 2×164454161454461² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164454161454397 and 164454161454406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164454161454481) 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, 2546435 + ... + 18313728.

It is an arithmetic number, because the mean of its divisors is an integer number (20817192062160).

Almost surely, 2^{164454161454461} is an apocalyptic number.

It is an amenable number.

164454161454461 is a deficient number, since it is larger than the sum of its proper divisors (2083375042819).

164454161454461 is an equidigital number, since it uses as much as digits as its factorization.

164454161454461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20960035.

The product of its digits is 22118400, while the sum is 56.

The spelling of 164454161454461 in words is "one hundred sixty-four trillion, four hundred fifty-four billion, one hundred sixty-one million, four hundred fifty-four thousand, four hundred sixty-one".