157690297670 has 16 divisors (see below), whose sum is σ = 284037911280. Its totient is φ = 63032702304.

The previous prime is 157690297619. The next prime is 157690297693. The reversal of 157690297670 is 76792096751.

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, 5411840 + ... + 5440899.

It is an arithmetic number, because the mean of its divisors is an integer number (17752369455).

Almost surely, 2^157690297670 is an apocalyptic number.

157690297670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157690297670 is a deficient number, since it is larger than the sum of its proper divisors (126347613610).

157690297670 is a wasteful number, since it uses less digits than its factorization.

157690297670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854199.

The product of its (nonzero) digits is 10001880, while the sum is 59.

The spelling of 157690297670 in words is "one hundred fifty-seven billion, six hundred ninety million, two hundred ninety-seven thousand, six hundred seventy".