6597988401 has 16 divisors (see below), whose sum is σ = 8893416384. Its totient is φ = 4350738624.

The previous prime is 6597988399. The next prime is 6597988457. The reversal of 6597988401 is 1048897956.

It is not a de Polignac number, because 6597988401 - 2¹ = 6597988399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6597988601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193875 + ... + 225351.

It is an arithmetic number, because the mean of its divisors is an integer number (555838524).

Almost surely, 2^6597988401 is an apocalyptic number.

It is an amenable number.

6597988401 is a deficient number, since it is larger than the sum of its proper divisors (2295427983).

6597988401 is a wasteful number, since it uses less digits than its factorization.

6597988401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32240.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The square root of 6597988401 is about 81228.0025668488. The cubic root of 6597988401 is about 1875.5868646865.

The spelling of 6597988401 in words is "six billion, five hundred ninety-seven million, nine hundred eighty-eight thousand, four hundred one".