118841657 has 12 divisors (see below), whose sum is σ = 132905328. Its totient is φ = 105386400.

The previous prime is 118841627. The next prime is 118841677. The reversal of 118841657 is 756148811.

It is not a de Polignac number, because 118841657 - 2²⁴ = 102064441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118841617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15278 + ... + 21704.

It is an arithmetic number, because the mean of its divisors is an integer number (11075444).

Almost surely, 2^118841657 is an apocalyptic number.

It is an amenable number.

118841657 is a deficient number, since it is larger than the sum of its proper divisors (14063671).

118841657 is an equidigital number, since it uses as much as digits as its factorization.

118841657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520 (or 6479 counting only the distinct ones).

The product of its digits is 53760, while the sum is 41.

The square root of 118841657 is about 10901.4520592442. The cubic root of 118841657 is about 491.6502143430.

The spelling of 118841657 in words is "one hundred eighteen million, eight hundred forty-one thousand, six hundred fifty-seven".