6656597250 has 32 divisors (see below), whose sum is σ = 16614868608. Its totient is φ = 1775092400.

The previous prime is 6656597173. The next prime is 6656597267. The reversal of 6656597250 is 527956566.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6656597193 and 6656597202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4436982 + ... + 4438481.

It is an arithmetic number, because the mean of its divisors is an integer number (519214644).

Almost surely, 2^6656597250 is an apocalyptic number.

6656597250 is an abundant number, since it is smaller than the sum of its proper divisors (9958271358).

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

6656597250 is a wasteful number, since it uses less digits than its factorization.

6656597250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875483 (or 8875473 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 51.

The square root of 6656597250 is about 81587.9724591805. The cubic root of 6656597250 is about 1881.1240119010.

The spelling of 6656597250 in words is "six billion, six hundred fifty-six million, five hundred ninety-seven thousand, two hundred fifty".