6650496401 has 16 divisors (see below), whose sum is σ = 6851644800. Its totient is φ = 6451619328.

The previous prime is 6650496397. The next prime is 6650496403. The reversal of 6650496401 is 1046940566.

It is a cyclic number.

It is not a de Polignac number, because 6650496401 - 2² = 6650496397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6650496403) 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, 7158305 + ... + 7159233.

It is an arithmetic number, because the mean of its divisors is an integer number (428227800).

Almost surely, 2^6650496401 is an apocalyptic number.

It is an amenable number.

6650496401 is a deficient number, since it is larger than the sum of its proper divisors (201148399).

6650496401 is a wasteful number, since it uses less digits than its factorization.

6650496401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6650496401 is about 81550.5757245159. The cubic root of 6650496401 is about 1880.5491455439.

The spelling of 6650496401 in words is "six billion, six hundred fifty million, four hundred ninety-six thousand, four hundred one".