656530009150 has 24 divisors (see below), whose sum is σ = 1223902395144. Its totient is φ = 262019191200.

The previous prime is 656530009103. The next prime is 656530009159. The reversal of 656530009150 is 51900035656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656530009159) 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, 14797941 + ... + 14842240.

It is an arithmetic number, because the mean of its divisors is an integer number (50995933131).

Almost surely, 2^656530009150 is an apocalyptic number.

656530009150 is a deficient number, since it is larger than the sum of its proper divisors (567372385994).

656530009150 is a wasteful number, since it uses less digits than its factorization.

656530009150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29640636 (or 29640631 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The spelling of 656530009150 in words is "six hundred fifty-six billion, five hundred thirty million, nine thousand, one hundred fifty".