161064670 has 32 divisors (see below), whose sum is σ = 319489632. Its totient is φ = 58084992.

The previous prime is 161064667. The next prime is 161064671. The reversal of 161064670 is 76460161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161064671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8817 + ... + 19996.

It is an arithmetic number, because the mean of its divisors is an integer number (9984051).

Almost surely, 2^161064670 is an apocalyptic number.

161064670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161064670 is a deficient number, since it is larger than the sum of its proper divisors (158424962).

161064670 is a wasteful number, since it uses less digits than its factorization.

161064670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28876.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 161064670 is about 12691.1256395956. The cubic root of 161064670 is about 544.0850118549.

The spelling of 161064670 in words is "one hundred sixty-one million, sixty-four thousand, six hundred seventy".