656198152 has 16 divisors (see below), whose sum is σ = 1231272000. Its totient is φ = 327858960.

The previous prime is 656198149. The next prime is 656198159. The reversal of 656198152 is 251891656.

It is a junction number, because it is equal to n+sod(n) for n = 656198099 and 656198108.

It is not an unprimeable number, because it can be changed into a prime (656198159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18124 + ... + 40507.

It is an arithmetic number, because the mean of its divisors is an integer number (76954500).

Almost surely, 2^656198152 is an apocalyptic number.

It is an amenable number.

656198152 is a deficient number, since it is larger than the sum of its proper divisors (575073848).

656198152 is a wasteful number, since it uses less digits than its factorization.

656198152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60036 (or 60032 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 656198152 is about 25616.3649255705. The cubic root of 656198152 is about 868.9837749008.

The spelling of 656198152 in words is "six hundred fifty-six million, one hundred ninety-eight thousand, one hundred fifty-two".