631624311466 has 16 divisors (see below), whose sum is σ = 997520189760. Its totient is φ = 299124869760.

The previous prime is 631624311457. The next prime is 631624311481. The reversal of 631624311466 is 664113426136.

631624311466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646215 + ... + 1993306.

It is an arithmetic number, because the mean of its divisors is an integer number (62345011860).

Almost surely, 2^631624311466 is an apocalyptic number.

631624311466 is a deficient number, since it is larger than the sum of its proper divisors (365895878294).

631624311466 is a wasteful number, since it uses less digits than its factorization.

631624311466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644109.

The product of its digits is 373248, while the sum is 43.

The spelling of 631624311466 in words is "six hundred thirty-one billion, six hundred twenty-four million, three hundred eleven thousand, four hundred sixty-six".