118864091619 has 48 divisors (see below), whose sum is σ = 211477523712. Its totient is φ = 62649008064.

The previous prime is 118864091611. The next prime is 118864091657. The reversal of 118864091619 is 916190468811.

118864091619 is a `hidden beast` number, since 1 + 18 + 8 + 6 + 4 + 0 + 9 + 1 + 619 = 666.

It is not a de Polignac number, because 118864091619 - 2³ = 118864091611 is a prime.

It is a super-2 number, since 2×118864091619² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118864091611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1014912 + ... + 1125954.

It is an arithmetic number, because the mean of its divisors is an integer number (4405781744).

Almost surely, 2^118864091619 is an apocalyptic number.

118864091619 is a deficient number, since it is larger than the sum of its proper divisors (92613432093).

118864091619 is a wasteful number, since it uses less digits than its factorization.

118864091619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112376 (or 112373 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 118864091619 in words is "one hundred eighteen billion, eight hundred sixty-four million, ninety-one thousand, six hundred nineteen".