164256413355 has 40 divisors (see below), whose sum is σ = 294515484912. Its totient is φ = 87582399552.

The previous prime is 164256413323. The next prime is 164256413389. The reversal of 164256413355 is 553314652461.

It is a happy number.

164256413355 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 564 + 1 + 33 + 55 = 666.

It is not a de Polignac number, because 164256413355 - 2⁵ = 164256413323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 164256413355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1720537 + ... + 1813493.

Almost surely, 2^164256413355 is an apocalyptic number.

164256413355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164256413355 is a deficient number, since it is larger than the sum of its proper divisors (130259071557).

164256413355 is an equidigital number, since it uses as much as digits as its factorization.

164256413355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97337 (or 97328 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 164256413355 in words is "one hundred sixty-four billion, two hundred fifty-six million, four hundred thirteen thousand, three hundred fifty-five".