6697112542884 has 135 divisors (see below), whose sum is σ = 17683075023537. Its totient is φ = 2210213436192.

The previous prime is 6697112542867. The next prime is 6697112542919. The reversal of 6697112542884 is 4882452117966.

It is a happy number.

The square root of 6697112542884 is 2587878.

It is a perfect power (a square), and thus also a powerful number.

6697112542884 is a `hidden beast` number, since 6 + 6 + 9 + 7 + 1 + 1 + 2 + 542 + 8 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4667855312484 + 2029257230400 = 2160522^2 + 1424520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5077415977 + ... + 5077417295.

Almost surely, 2^{6697112542884} is an apocalyptic number.

6697112542884 is the 2587878-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6697112542884

6697112542884 is an abundant number, since it is smaller than the sum of its proper divisors (10985962480653).

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

6697112542884 is an equidigital number, since it uses as much as digits as its factorization.

6697112542884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 1433 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 6697112542884 in words is "six trillion, six hundred ninety-seven billion, one hundred twelve million, five hundred forty-two thousand, eight hundred eighty-four".