161130531376 has 10 divisors (see below), whose sum is σ = 312190404572. Its totient is φ = 80565265680.

The previous prime is 161130531343. The next prime is 161130531391. The reversal of 161130531376 is 673135031161.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035329090 + ... + 5035329121.

Almost surely, 2^161130531376 is an apocalyptic number.

161130531376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161130531376 is a deficient number, since it is larger than the sum of its proper divisors (151059873196).

161130531376 is a wasteful number, since it uses less digits than its factorization.

161130531376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070658219 (or 10070658213 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 161130531376 in words is "one hundred sixty-one billion, one hundred thirty million, five hundred thirty-one thousand, three hundred seventy-six".