6635616500397 has 8 divisors (see below), whose sum is σ = 8847542299456. Its totient is φ = 4423717517472.

The previous prime is 6635616500377. The next prime is 6635616500411. The reversal of 6635616500397 is 7930056165366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6635616500397 - 2⁷ = 6635616500269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6635616500327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6119368 + ... + 7121649.

It is an arithmetic number, because the mean of its divisors is an integer number (1105942787432).

Almost surely, 2^{6635616500397} is an apocalyptic number.

It is an amenable number.

6635616500397 is a deficient number, since it is larger than the sum of its proper divisors (2211925799059).

6635616500397 is a wasteful number, since it uses less digits than its factorization.

6635616500397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13408067.

The product of its (nonzero) digits is 18370800, while the sum is 57.

The spelling of 6635616500397 in words is "six trillion, six hundred thirty-five billion, six hundred sixteen million, five hundred thousand, three hundred ninety-seven".