108161262720 has 384 divisors, whose sum is σ = 428660369280. Its totient is φ = 24617779200.

The previous prime is 108161262701. The next prime is 108161262733. The reversal of 108161262720 is 27262161801.

108161262720 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 6 + 1 + 2 + 627 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9711555 + ... + 9722685.

It is an arithmetic number, because the mean of its divisors is an integer number (1116303045).

Almost surely, 2^108161262720 is an apocalyptic number.

108161262720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108161262720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214330184640).

108161262720 is an abundant number, since it is smaller than the sum of its proper divisors (320499106560).

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

108161262720 is a wasteful number, since it uses less digits than its factorization.

108161262720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404 (or 11389 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

It can be divided in two parts, 108161 and 262720, that added together give a square (370881 = 609²).

The spelling of 108161262720 in words is "one hundred eight billion, one hundred sixty-one million, two hundred sixty-two thousand, seven hundred twenty".