6662499056 has 40 divisors (see below), whose sum is σ = 13690698144. Its totient is φ = 3134165760.

The previous prime is 6662499043. The next prime is 6662499073. The reversal of 6662499056 is 6509942666.

It is a super-2 number, since 2×6662499056² = 88777787342401782272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6662498989 and 6662499007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125951 + ... + 170846.

Almost surely, 2^6662499056 is an apocalyptic number.

It is an amenable number.

6662499056 is an abundant number, since it is smaller than the sum of its proper divisors (7028199088).

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

6662499056 is a wasteful number, since it uses less digits than its factorization.

6662499056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296889 (or 296883 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The square root of 6662499056 is about 81624.1328039692. The cubic root of 6662499056 is about 1881.6797888303.

The spelling of 6662499056 in words is "six billion, six hundred sixty-two million, four hundred ninety-nine thousand, fifty-six".