161876097 has 8 divisors (see below), whose sum is σ = 239816480. Its totient is φ = 107917380.

The previous prime is 161876059. The next prime is 161876107. The reversal of 161876097 is 790678161.

It is not a de Polignac number, because 161876097 - 2⁷ = 161875969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161876027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997679 + ... + 2997732.

It is an arithmetic number, because the mean of its divisors is an integer number (29977060).

Almost surely, 2^161876097 is an apocalyptic number.

It is an amenable number.

161876097 is a deficient number, since it is larger than the sum of its proper divisors (77940383).

161876097 is an equidigital number, since it uses as much as digits as its factorization.

161876097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995420 (or 5995414 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 161876097 is about 12723.0537607919. The cubic root of 161876097 is about 544.9971629625.

The spelling of 161876097 in words is "one hundred sixty-one million, eight hundred seventy-six thousand, ninety-seven".