178113309696 has 528 divisors, whose sum is σ = 622356451680. Its totient is φ = 50164531200.

The previous prime is 178113309679. The next prime is 178113309701. The reversal of 178113309696 is 696903311871.

It is a happy number.

It is a super-2 number, since 2×178113309696² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98895996 + ... + 98897796.

Almost surely, 2^178113309696 is an apocalyptic number.

178113309696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 178113309696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311178225840).

178113309696 is an abundant number, since it is smaller than the sum of its proper divisors (444243141984).

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

178113309696 is a wasteful number, since it uses less digits than its factorization.

178113309696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 178113309696 in words is "one hundred seventy-eight billion, one hundred thirteen million, three hundred nine thousand, six hundred ninety-six".