161314995 has 32 divisors (see below), whose sum is σ = 262259712. Its totient is φ = 84661632.

The previous prime is 161314981. The next prime is 161315003. The reversal of 161314995 is 599413161.

It is not a de Polignac number, because 161314995 - 2⁸ = 161314739 is a prime.

It is a super-2 number, since 2×161314995² = 52045055223700050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406137 + ... + 406533.

It is an arithmetic number, because the mean of its divisors is an integer number (8195616).

Almost surely, 2^161314995 is an apocalyptic number.

161314995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161314995 is a deficient number, since it is larger than the sum of its proper divisors (100944717).

161314995 is a wasteful number, since it uses less digits than its factorization.

161314995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its digits is 29160, while the sum is 39.

The square root of 161314995 is about 12700.9840169965. The cubic root of 161314995 is about 544.3667363371.

The spelling of 161314995 in words is "one hundred sixty-one million, three hundred fourteen thousand, nine hundred ninety-five".