157071127684 has 27 divisors (see below), whose sum is σ = 278900401143. Its totient is φ = 77401686600.

The previous prime is 157071127643. The next prime is 157071127729. The reversal of 157071127684 is 486721170751.

The square root of 157071127684 is 396322.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56276329 + ... + 56279119.

Almost surely, 2^157071127684 is an apocalyptic number.

157071127684 is the 396322-nd square number.

It is an amenable number.

157071127684 is a deficient number, since it is larger than the sum of its proper divisors (121829273459).

157071127684 is an frugal number, since it uses more digits than its factorization.

157071127684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 49.

Multiplying 157071127684 by its sum of digits (49), we get a square (7696485256516 = 2774254²).

The spelling of 157071127684 in words is "one hundred fifty-seven billion, seventy-one million, one hundred twenty-seven thousand, six hundred eighty-four".