615620968 has 16 divisors (see below), whose sum is σ = 1155070080. Its totient is φ = 307602288.

The previous prime is 615620959. The next prime is 615620977. The reversal of 615620968 is 869026516.

It is an interprime number because it is at equal distance from previous prime (615620959) and next prime (615620977).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13080 + ... + 37447.

It is an arithmetic number, because the mean of its divisors is an integer number (72191880).

Almost surely, 2^615620968 is an apocalyptic number.

It is an amenable number.

615620968 is a deficient number, since it is larger than the sum of its proper divisors (539449112).

615620968 is a wasteful number, since it uses less digits than its factorization.

615620968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52056 (or 52052 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 615620968 is about 24811.7102997758. The cubic root of 615620968 is about 850.6896216600.

The spelling of 615620968 in words is "six hundred fifteen million, six hundred twenty thousand, nine hundred sixty-eight".