115668537 has 8 divisors (see below), whose sum is σ = 154274400. Its totient is φ = 77087520.

The previous prime is 115668521. The next prime is 115668571. The reversal of 115668537 is 735866511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115668537 - 2⁴ = 115668521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115668517) 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, 15214 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (19284300).

Almost surely, 2^115668537 is an apocalyptic number.

It is an amenable number.

115668537 is a deficient number, since it is larger than the sum of its proper divisors (38605863).

115668537 is an equidigital number, since it uses as much as digits as its factorization.

115668537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12423.

The product of its digits is 151200, while the sum is 42.

The square root of 115668537 is about 10754.9308226506. The cubic root of 115668537 is about 487.2349286125.

The spelling of 115668537 in words is "one hundred fifteen million, six hundred sixty-eight thousand, five hundred thirty-seven".