616865783932 has 6 divisors (see below), whose sum is σ = 1079515121888. Its totient is φ = 308432891964.

The previous prime is 616865783927. The next prime is 616865783951. The reversal of 616865783932 is 239387568616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77108222988 + ... + 77108222995.

Almost surely, 2^616865783932 is an apocalyptic number.

It is an amenable number.

616865783932 is a deficient number, since it is larger than the sum of its proper divisors (462649337956).

616865783932 is a wasteful number, since it uses less digits than its factorization.

616865783932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154216445987 (or 154216445985 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 64.

The spelling of 616865783932 in words is "six hundred sixteen billion, eight hundred sixty-five million, seven hundred eighty-three thousand, nine hundred thirty-two".