161550060600 has 48 divisors (see below), whose sum is σ = 500805189720. Its totient is φ = 43080016000.

The previous prime is 161550060527. The next prime is 161550060613. The reversal of 161550060600 is 6060055161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134624451 + ... + 134625650.

Almost surely, 2^161550060600 is an apocalyptic number.

161550060600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161550060600 is an abundant number, since it is smaller than the sum of its proper divisors (339255129120).

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

161550060600 is a wasteful number, since it uses less digits than its factorization.

161550060600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269250120 (or 269250111 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 161550060600 in words is "one hundred sixty-one billion, five hundred fifty million, sixty thousand, six hundred".