6696603556 has 24 divisors (see below), whose sum is σ = 12210408000. Its totient is φ = 3209577504.

The previous prime is 6696603533. The next prime is 6696603623. The reversal of 6696603556 is 6553066966.

It is a happy 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, 191536 + ... + 223783.

It is an arithmetic number, because the mean of its divisors is an integer number (508767000).

Almost surely, 2^6696603556 is an apocalyptic number.

It is an amenable number.

6696603556 is a deficient number, since it is larger than the sum of its proper divisors (5513804444).

6696603556 is a wasteful number, since it uses less digits than its factorization.

6696603556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415491 (or 415489 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 52.

The square root of 6696603556 is about 81832.7780049046. The cubic root of 6696603556 is about 1884.8850205321.

The spelling of 6696603556 in words is "six billion, six hundred ninety-six million, six hundred three thousand, five hundred fifty-six".