633401516 has 48 divisors (see below), whose sum is σ = 1258467840. Its totient is φ = 276419520.

The previous prime is 633401513. The next prime is 633401551. The reversal of 633401516 is 615104336.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (633401513) 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, 106715 + ... + 112493.

It is an arithmetic number, because the mean of its divisors is an integer number (26218080).

Almost surely, 2^633401516 is an apocalyptic number.

It is an amenable number.

633401516 is a deficient number, since it is larger than the sum of its proper divisors (625066324).

633401516 is a wasteful number, since it uses less digits than its factorization.

633401516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894 (or 5892 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 633401516 is about 25167.4694000013. The cubic root of 633401516 is about 858.8019716594.

The spelling of 633401516 in words is "six hundred thirty-three million, four hundred one thousand, five hundred sixteen".