157420701716 has 6 divisors (see below), whose sum is σ = 275486228010. Its totient is φ = 78710350856.

The previous prime is 157420701679. The next prime is 157420701727. The reversal of 157420701716 is 617107024751.

It can be written as a sum of positive squares in only one way, i.e., 117240499216 + 40180202500 = 342404^2 + 200450^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19677587711 + ... + 19677587718.

It is an arithmetic number, because the mean of its divisors is an integer number (45914371335).

Almost surely, 2^157420701716 is an apocalyptic number.

It is an amenable number.

157420701716 is a deficient number, since it is larger than the sum of its proper divisors (118065526294).

157420701716 is a wasteful number, since it uses less digits than its factorization.

157420701716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355175433 (or 39355175431 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 157420701716 in words is "one hundred fifty-seven billion, four hundred twenty million, seven hundred one thousand, seven hundred sixteen".