6642601124 has 12 divisors (see below), whose sum is σ = 11625931548. Its totient is φ = 3320906400.

The previous prime is 6642601117. The next prime is 6642601193. The reversal of 6642601124 is 4211062466.

It can be written as a sum of positive squares in 2 ways, for example, as 5434343524 + 1208257600 = 73718^2 + 34760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58847 + ... + 129414.

It is an arithmetic number, because the mean of its divisors is an integer number (968827629).

Almost surely, 2^6642601124 is an apocalyptic number.

It is an amenable number.

6642601124 is a deficient number, since it is larger than the sum of its proper divisors (4983330424).

6642601124 is a wasteful number, since it uses less digits than its factorization.

6642601124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197086 (or 197084 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6642601124 is about 81502.1541065020. The cubic root of 6642601124 is about 1879.8046730069.

The spelling of 6642601124 in words is "six billion, six hundred forty-two million, six hundred one thousand, one hundred twenty-four".