157661876 has 24 divisors (see below), whose sum is σ = 298359936. Its totient is φ = 72613760.

The previous prime is 157661873. The next prime is 157661887. The reversal of 157661876 is 678166751.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 157661876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157661873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21470 + ... + 27861.

It is an arithmetic number, because the mean of its divisors is an integer number (12431664).

Almost surely, 2^157661876 is an apocalyptic number.

It is an amenable number.

157661876 is a deficient number, since it is larger than the sum of its proper divisors (140698060).

157661876 is a wasteful number, since it uses less digits than its factorization.

157661876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49399 (or 49397 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 157661876 is about 12556.3480359538. The cubic root of 157661876 is about 540.2261010189.

The spelling of 157661876 in words is "one hundred fifty-seven million, six hundred sixty-one thousand, eight hundred seventy-six".