168072742632 has 16 divisors (see below), whose sum is σ = 420181856640. Its totient is φ = 56024247536.

The previous prime is 168072742631. The next prime is 168072742727. The reversal of 168072742632 is 236247270861.

It is not an unprimeable number, because it can be changed into a prime (168072742631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501515448 + ... + 3501515495.

It is an arithmetic number, because the mean of its divisors is an integer number (26261366040).

Almost surely, 2^168072742632 is an apocalyptic number.

168072742632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168072742632 is an abundant number, since it is smaller than the sum of its proper divisors (252109114008).

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

168072742632 is a wasteful number, since it uses less digits than its factorization.

168072742632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003030952 (or 7003030948 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 168072742632 in words is "one hundred sixty-eight billion, seventy-two million, seven hundred forty-two thousand, six hundred thirty-two".