161590883 has 2 divisors, whose sum is σ = 161590884. Its totient is φ = 161590882.

The previous prime is 161590867. The next prime is 161590901. The reversal of 161590883 is 388095161.

161590883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161590883 - 2⁴ = 161590867 is a prime.

It is a super-2 number, since 2×161590883² = 52223226937439378, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161590883.

It is not a weakly prime, because it can be changed into another prime (161590783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80795441 + 80795442.

It is an arithmetic number, because the mean of its divisors is an integer number (80795442).

Almost surely, 2^161590883 is an apocalyptic number.

161590883 is a deficient number, since it is larger than the sum of its proper divisors (1).

161590883 is an equidigital number, since it uses as much as digits as its factorization.

161590883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 161590883 is about 12711.8402680336. The cubic root of 161590883 is about 544.6768929020.

The spelling of 161590883 in words is "one hundred sixty-one million, five hundred ninety thousand, eight hundred eighty-three".