157722072032 has 48 divisors (see below), whose sum is σ = 355863352320. Its totient is φ = 67406851968.

The previous prime is 157722072029. The next prime is 157722072043. The reversal of 157722072032 is 230270227751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900248 + ... + 1061079.

It is an arithmetic number, because the mean of its divisors is an integer number (7413819840).

Almost surely, 2^157722072032 is an apocalyptic number.

It is an amenable number.

157722072032 is an abundant number, since it is smaller than the sum of its proper divisors (198141280288).

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

157722072032 is a wasteful number, since it uses less digits than its factorization.

157722072032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961703 (or 1961695 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

Adding to 157722072032 its reverse (230270227751), we get a palindrome (387992299783).

The spelling of 157722072032 in words is "one hundred fifty-seven billion, seven hundred twenty-two million, seventy-two thousand, thirty-two".