161562050460 has 72 divisors (see below), whose sum is σ = 490151931360. Its totient is φ = 43076147328.

The previous prime is 161562050449. The next prime is 161562050473. The reversal of 161562050460 is 64050265161.

161562050460 is a `hidden beast` number, since 1 + 6 + 1 + 562 + 0 + 50 + 46 + 0 = 666.

It is a super-2 number, since 2×161562050460² (a number of 23 digits) contains 22 as substring.

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

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, 1076721 + ... + 1217559.

Almost surely, 2^161562050460 is an apocalyptic number.

161562050460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161562050460 is an abundant number, since it is smaller than the sum of its proper divisors (328589880900).

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

161562050460 is a wasteful number, since it uses less digits than its factorization.

161562050460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147227 (or 147222 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 161562050460 in words is "one hundred sixty-one billion, five hundred sixty-two million, fifty thousand, four hundred sixty".