161500427360 has 48 divisors (see below), whose sum is σ = 381619649376. Its totient is φ = 64587491328.

The previous prime is 161500427351. The next prime is 161500427371. The reversal of 161500427360 is 63724005161.

It is a self number, because there is not a number n which added to its sum of digits gives 161500427360.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 740837 + ... + 933723.

It is an arithmetic number, because the mean of its divisors is an integer number (7950409362).

Almost surely, 2^161500427360 is an apocalyptic number.

161500427360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161500427360 is an abundant number, since it is smaller than the sum of its proper divisors (220119222016).

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

161500427360 is a wasteful number, since it uses less digits than its factorization.

161500427360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198135 (or 198127 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 161500427360 in words is "one hundred sixty-one billion, five hundred million, four hundred twenty-seven thousand, three hundred sixty".