161453072600 has 24 divisors (see below), whose sum is σ = 375378394260. Its totient is φ = 64581228960.

The previous prime is 161453072591. The next prime is 161453072611. The reversal of 161453072600 is 6270354161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403632482 + ... + 403632881.

Almost surely, 2^161453072600 is an apocalyptic number.

161453072600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161453072600 is an abundant number, since it is smaller than the sum of its proper divisors (213925321660).

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

161453072600 is a wasteful number, since it uses less digits than its factorization.

161453072600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807265379 (or 807265370 counting only the distinct ones).

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

The spelling of 161453072600 in words is "one hundred sixty-one billion, four hundred fifty-three million, seventy-two thousand, six hundred".