115662621 has 8 divisors (see below), whose sum is σ = 156389184. Its totient is φ = 76022240.

The previous prime is 115662601. The next prime is 115662623. The reversal of 115662621 is 126266511.

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

It is a cyclic number.

It is not a de Polignac number, because 115662621 - 2¹⁵ = 115629853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115662623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271296 + ... + 271721.

It is an arithmetic number, because the mean of its divisors is an integer number (19548648).

Almost surely, 2^115662621 is an apocalyptic number.

It is an amenable number.

115662621 is a deficient number, since it is larger than the sum of its proper divisors (40726563).

115662621 is an equidigital number, since it uses as much as digits as its factorization.

115662621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543091.

The product of its digits is 4320, while the sum is 30.

The square root of 115662621 is about 10754.6557824972. The cubic root of 115662621 is about 487.2266217411.

The spelling of 115662621 in words is "one hundred fifteen million, six hundred sixty-two thousand, six hundred twenty-one".