616556033025 has 24 divisors (see below), whose sum is σ = 1044235393824. Its totient is φ = 320809641600.

The previous prime is 616556032987. The next prime is 616556033029. The reversal of 616556033025 is 520330655616.

It is not a de Polignac number, because 616556033025 - 2⁹ = 616556032513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616556033029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100249939 + ... + 100256088.

It is an arithmetic number, because the mean of its divisors is an integer number (43509808076).

Almost surely, 2^616556033025 is an apocalyptic number.

It is an amenable number.

616556033025 is a deficient number, since it is larger than the sum of its proper divisors (427679360799).

616556033025 is a wasteful number, since it uses less digits than its factorization.

616556033025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200506081 (or 200506076 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 616556033025 in words is "six hundred sixteen billion, five hundred fifty-six million, thirty-three thousand, twenty-five".