157961694 has 32 divisors (see below), whose sum is σ = 345098880. Its totient is φ = 47804000.

The previous prime is 157961693. The next prime is 157961701. The reversal of 157961694 is 496169751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157961693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82144 + ... + 84044.

It is an arithmetic number, because the mean of its divisors is an integer number (10784340).

Almost surely, 2^157961694 is an apocalyptic number.

157961694 is an abundant number, since it is smaller than the sum of its proper divisors (187137186).

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

157961694 is a wasteful number, since it uses less digits than its factorization.

157961694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176.

The product of its digits is 408240, while the sum is 48.

The square root of 157961694 is about 12568.2812667445. The cubic root of 157961694 is about 540.5683248372.

The spelling of 157961694 in words is "one hundred fifty-seven million, nine hundred sixty-one thousand, six hundred ninety-four".