120155493816 has 96 divisors (see below), whose sum is σ = 329513184000. Its totient is φ = 39548699712.

The previous prime is 120155493727. The next prime is 120155493827. The reversal of 120155493816 is 618394551021.

It is a happy number.

120155493816 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 554 + 93 + 8 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15169105 + ... + 15177023.

It is an arithmetic number, because the mean of its divisors is an integer number (3432429000).

Almost surely, 2^120155493816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120155493816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164756592000).

120155493816 is an abundant number, since it is smaller than the sum of its proper divisors (209357690184).

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

120155493816 is a wasteful number, since it uses less digits than its factorization.

120155493816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553 (or 10546 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 120155493816 in words is "one hundred twenty billion, one hundred fifty-five million, four hundred ninety-three thousand, eight hundred sixteen".