616570560 has 84 divisors (see below), whose sum is σ = 2120755728. Its totient is φ = 164418048.

The previous prime is 616570531. The next prime is 616570561. The reversal of 616570560 is 65075616.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (616570561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104164 + ... + 109923.

It is an arithmetic number, because the mean of its divisors is an integer number (25247092).

Almost surely, 2^616570560 is an apocalyptic number.

616570560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616570560 is an abundant number, since it is smaller than the sum of its proper divisors (1504185168).

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

616570560 is a wasteful number, since it uses less digits than its factorization.

616570560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214110 (or 214097 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 616570560 is about 24830.8388903798. The cubic root of 616570560 is about 851.1267916668.

The spelling of 616570560 in words is "six hundred sixteen million, five hundred seventy thousand, five hundred sixty".