616715652 has 48 divisors (see below), whose sum is σ = 1716083712. Its totient is φ = 168542880.

The previous prime is 616715641. The next prime is 616715663. The reversal of 616715652 is 256517616.

It is an interprime number because it is at equal distance from previous prime (616715641) and next prime (616715663).

It is a self number, because there is not a number n which added to its sum of digits gives 616715652.

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 15 ways as a sum of consecutive naturals, for example, 157674 + ... + 161537.

It is an arithmetic number, because the mean of its divisors is an integer number (35751744).

Almost surely, 2^616715652 is an apocalyptic number.

It is an amenable number.

616715652 is an abundant number, since it is smaller than the sum of its proper divisors (1099368060).

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

616715652 is a wasteful number, since it uses less digits than its factorization.

616715652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319248 (or 319246 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 616715652 is about 24833.7603274252. The cubic root of 616715652 is about 851.1935490995.

The spelling of 616715652 in words is "six hundred sixteen million, seven hundred fifteen thousand, six hundred fifty-two".