461451663 has 12 divisors (see below), whose sum is σ = 667745208. Its totient is φ = 307078800.

The previous prime is 461451643. The next prime is 461451667. The reversal of 461451663 is 366154164.

It is a happy number.

It is not a de Polignac number, because 461451663 - 2²⁰ = 460403087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461451667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41013 + ... + 51038.

It is an arithmetic number, because the mean of its divisors is an integer number (55645434).

Almost surely, 2^461451663 is an apocalyptic number.

461451663 is a deficient number, since it is larger than the sum of its proper divisors (206293545).

461451663 is a wasteful number, since it uses less digits than its factorization.

461451663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92614 (or 92611 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 461451663 is about 21481.4260001519. The cubic root of 461451663 is about 772.7554413357.

The spelling of 461451663 in words is "four hundred sixty-one million, four hundred fifty-one thousand, six hundred sixty-three".