161006896 has 20 divisors (see below), whose sum is σ = 316608952. Its totient is φ = 79301376.

The previous prime is 161006873. The next prime is 161006903. The reversal of 161006896 is 698600161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74025 + ... + 76168.

Almost surely, 2^161006896 is an apocalyptic number.

161006896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161006896 is a deficient number, since it is larger than the sum of its proper divisors (155602056).

161006896 is a wasteful number, since it uses less digits than its factorization.

161006896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150268 (or 150262 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 161006896 is about 12688.8492780078. The cubic root of 161006896 is about 544.0199495279.

The spelling of 161006896 in words is "one hundred sixty-one million, six thousand, eight hundred ninety-six".