6451113658 has 32 divisors (see below), whose sum is σ = 11226288960. Its totient is φ = 2747746560.

The previous prime is 6451113653. The next prime is 6451113659. The reversal of 6451113658 is 8563111546.

It is a self number, because there is not a number n which added to its sum of digits gives 6451113658.

It is not an unprimeable number, because it can be changed into a prime (6451113653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47985 + ... + 123307.

It is an arithmetic number, because the mean of its divisors is an integer number (350821530).

Almost surely, 2^6451113658 is an apocalyptic number.

6451113658 is a deficient number, since it is larger than the sum of its proper divisors (4775175302).

6451113658 is a wasteful number, since it uses less digits than its factorization.

6451113658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75582.

The product of its digits is 86400, while the sum is 40.

The square root of 6451113658 is about 80318.8250536573. The cubic root of 6451113658 is about 1861.5651121067.

The spelling of 6451113658 in words is "six billion, four hundred fifty-one million, one hundred thirteen thousand, six hundred fifty-eight".