615616652 has 12 divisors (see below), whose sum is σ = 1231233360. Its totient is φ = 263835696.

The previous prime is 615616633. The next prime is 615616741. The reversal of 615616652 is 256616516.

615616652 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993127 + ... + 10993182.

It is an arithmetic number, because the mean of its divisors is an integer number (102602780).

Almost surely, 2^615616652 is an apocalyptic number.

It is an amenable number.

615616652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

615616652 is a wasteful number, since it uses less digits than its factorization.

615616652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21986320 (or 21986318 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 615616652 is about 24811.6233245630. The cubic root of 615616652 is about 850.6876336483.

The spelling of 615616652 in words is "six hundred fifteen million, six hundred sixteen thousand, six hundred fifty-two".