118787162431644 has 144 divisors (see below), whose sum is σ = 343382338772928. Its totient is φ = 33917494984704.

The previous prime is 118787162431633. The next prime is 118787162431649. The reversal of 118787162431644 is 446134261787811.

118787162431644 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 87 + 1 + 62 + 431 + 64 + 4 = 666.

It is a super-2 number, since 2×118787162431644² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118787162431649) 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, 2796747592 + ... + 2796790064.

It is an arithmetic number, because the mean of its divisors is an integer number (2384599574812).

Almost surely, 2^{118787162431644} is an apocalyptic number.

118787162431644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

118787162431644 is an abundant number, since it is smaller than the sum of its proper divisors (224595176341284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118787162431644 is a wasteful number, since it uses less digits than its factorization.

118787162431644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49324 (or 49319 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 118787162431644 in words is "one hundred eighteen trillion, seven hundred eighty-seven billion, one hundred sixty-two million, four hundred thirty-one thousand, six hundred forty-four".