161502616000 has 112 divisors (see below), whose sum is σ = 436321577952. Its totient is φ = 58728192000.

The previous prime is 161502615997. The next prime is 161502616003. The reversal of 161502616000 is 616205161.

It is an interprime number because it is at equal distance from previous prime (161502615997) and next prime (161502616003).

It is a self number, because there is not a number n which added to its sum of digits gives 161502616000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161502616003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 829629 + ... + 1005628.

Almost surely, 2^161502616000 is an apocalyptic number.

161502616000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161502616000 is an abundant number, since it is smaller than the sum of its proper divisors (274818961952).

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

161502616000 is a wasteful number, since it uses less digits than its factorization.

161502616000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835295 (or 1835275 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 161502616000 in words is "one hundred sixty-one billion, five hundred two million, six hundred sixteen thousand".