164616616 has 16 divisors (see below), whose sum is σ = 308849940. Its totient is φ = 82256640.

The previous prime is 164616601. The next prime is 164616619. The reversal of 164616616 is 616616461.

It can be written as a sum of positive squares in 2 ways, for example, as 120340900 + 44275716 = 10970^2 + 6654^2 .

It is not an unprimeable number, because it can be changed into a prime (164616619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9360 + ... + 20416.

Almost surely, 2^164616616 is an apocalyptic number.

It is an amenable number.

164616616 is a deficient number, since it is larger than the sum of its proper divisors (144233324).

164616616 is a wasteful number, since it uses less digits than its factorization.

164616616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924 (or 12920 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 164616616 is about 12830.3006979572. The cubic root of 164616616 is about 548.0555203307.

The spelling of 164616616 in words is "one hundred sixty-four million, six hundred sixteen thousand, six hundred sixteen".