161092133800 has 48 divisors (see below), whose sum is σ = 403349926140. Its totient is φ = 59480171520.

The previous prime is 161092133789. The next prime is 161092133801. The reversal of 161092133800 is 8331290161.

It can be written as a sum of positive squares in 6 ways, for example, as 66802605444 + 94289528356 = 258462^2 + 307066^2 .

It is not an unprimeable number, because it can be changed into a prime (161092133801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30976657 + ... + 30981856.

Almost surely, 2^161092133800 is an apocalyptic number.

161092133800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161092133800 is an abundant number, since it is smaller than the sum of its proper divisors (242257792340).

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

161092133800 is a wasteful number, since it uses less digits than its factorization.

161092133800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61958542 (or 61958533 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 161092133800 in words is "one hundred sixty-one billion, ninety-two million, one hundred thirty-three thousand, eight hundred".