157662247472 has 10 divisors (see below), whose sum is σ = 305470604508. Its totient is φ = 78831123728.

The previous prime is 157662247471. The next prime is 157662247597. The reversal of 157662247472 is 274742266751.

157662247472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157662247471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926945218 + ... + 4926945249.

Almost surely, 2^157662247472 is an apocalyptic number.

It is an amenable number.

157662247472 is a deficient number, since it is larger than the sum of its proper divisors (147808357036).

157662247472 is an equidigital number, since it uses as much as digits as its factorization.

157662247472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9853890475 (or 9853890469 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 53.

The spelling of 157662247472 in words is "one hundred fifty-seven billion, six hundred sixty-two million, two hundred forty-seven thousand, four hundred seventy-two".