616506670 has 16 divisors (see below), whose sum is σ = 1195074720. Its totient is φ = 227633184.

The previous prime is 616506659. The next prime is 616506673. The reversal of 616506670 is 76605616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616506673) 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, 2371050 + ... + 2371309.

It is an arithmetic number, because the mean of its divisors is an integer number (74692170).

Almost surely, 2^616506670 is an apocalyptic number.

616506670 is a deficient number, since it is larger than the sum of its proper divisors (578568050).

616506670 is a wasteful number, since it uses less digits than its factorization.

616506670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742379.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 616506670 is about 24829.5523519857. The cubic root of 616506670 is about 851.0973922908.

The spelling of 616506670 in words is "six hundred sixteen million, five hundred six thousand, six hundred seventy".