4668657631 has 16 divisors (see below), whose sum is σ = 5196908448. Its totient is φ = 4158259200.

The previous prime is 4668657601. The next prime is 4668657647. The reversal of 4668657631 is 1367568664.

It is a cyclic number.

It is not a de Polignac number, because 4668657631 - 2¹³ = 4668649439 is a prime.

It is a super-2 number, since 2×4668657631² = 43592728150989064322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668657601) 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, 158911 + ... + 185983.

It is an arithmetic number, because the mean of its divisors is an integer number (324806778).

Almost surely, 2^4668657631 is an apocalyptic number.

4668657631 is a deficient number, since it is larger than the sum of its proper divisors (528250817).

4668657631 is a wasteful number, since it uses less digits than its factorization.

4668657631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402.

The product of its digits is 4354560, while the sum is 52.

The square root of 4668657631 is about 68327.5759192436. The cubic root of 4668657631 is about 1671.3369278039.

The spelling of 4668657631 in words is "four billion, six hundred sixty-eight million, six hundred fifty-seven thousand, six hundred thirty-one".