616766398 has 16 divisors (see below), whose sum is σ = 935699040. Its totient is φ = 304876000.

The previous prime is 616766393. The next prime is 616766401. The reversal of 616766398 is 893667616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616766393) 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, 163983 + ... + 167701.

It is an arithmetic number, because the mean of its divisors is an integer number (58481190).

Almost surely, 2^616766398 is an apocalyptic number.

616766398 is a deficient number, since it is larger than the sum of its proper divisors (318932642).

616766398 is a wasteful number, since it uses less digits than its factorization.

616766398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643.

The product of its digits is 1959552, while the sum is 52.

The square root of 616766398 is about 24834.7820203842. The cubic root of 616766398 is about 851.2168950737.

The spelling of 616766398 in words is "six hundred sixteen million, seven hundred sixty-six thousand, three hundred ninety-eight".