157866683 has 4 divisors (see below), whose sum is σ = 170010288. Its totient is φ = 145723080.

The previous prime is 157866677. The next prime is 157866707. The reversal of 157866683 is 386668751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157866683 - 2¹⁸ = 157604539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157866983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071783 + ... + 6071808.

It is an arithmetic number, because the mean of its divisors is an integer number (42502572).

Almost surely, 2^157866683 is an apocalyptic number.

157866683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157866683 is a deficient number, since it is larger than the sum of its proper divisors (12143605).

157866683 is a wasteful number, since it uses less digits than its factorization.

157866683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12143604.

The product of its digits is 1451520, while the sum is 50.

The square root of 157866683 is about 12564.5009053285. The cubic root of 157866683 is about 540.4599225265.

The spelling of 157866683 in words is "one hundred fifty-seven million, eight hundred sixty-six thousand, six hundred eighty-three".