6658499960 has 32 divisors (see below), whose sum is σ = 17121857760. Its totient is φ = 2282914176.

The previous prime is 6658499923. The next prime is 6658499987. The reversal of 6658499960 is 699948566.

It is a junction number, because it is equal to n+sod(n) for n = 6658499893 and 6658499902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11889899 + ... + 11890458.

It is an arithmetic number, because the mean of its divisors is an integer number (535058055).

Almost surely, 2^6658499960 is an apocalyptic number.

It is an amenable number.

6658499960 is an abundant number, since it is smaller than the sum of its proper divisors (10463357800).

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

6658499960 is a wasteful number, since it uses less digits than its factorization.

6658499960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23780375 (or 23780371 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 62.

The square root of 6658499960 is about 81599.6321070138. The cubic root of 6658499960 is about 1881.3032272148.

The spelling of 6658499960 in words is "six billion, six hundred fifty-eight million, four hundred ninety-nine thousand, nine hundred sixty".