164478914832 has 40 divisors (see below), whose sum is σ = 425000478784. Its totient is φ = 54813838464.

The previous prime is 164478914827. The next prime is 164478914837. The reversal of 164478914832 is 238419874461.

It is an interprime number because it is at equal distance from previous prime (164478914827) and next prime (164478914837).

It is not an unprimeable number, because it can be changed into a prime (164478914837) 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, 175063 + ... + 599670.

Almost surely, 2^164478914832 is an apocalyptic number.

164478914832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164478914832 is an abundant number, since it is smaller than the sum of its proper divisors (260521563952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164478914832 is a wasteful number, since it uses less digits than its factorization.

164478914832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779167 (or 779161 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 164478914832 in words is "one hundred sixty-four billion, four hundred seventy-eight million, nine hundred fourteen thousand, eight hundred thirty-two".