461251660 has 24 divisors (see below), whose sum is σ = 1010743776. Its totient is φ = 176478720.

The previous prime is 461251643. The next prime is 461251673. The reversal of 461251660 is 66152164.

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, 500901 + ... + 501820.

It is an arithmetic number, because the mean of its divisors is an integer number (42114324).

Almost surely, 2^461251660 is an apocalyptic number.

It is an amenable number.

461251660 is an abundant number, since it is smaller than the sum of its proper divisors (549492116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461251660 is a wasteful number, since it uses less digits than its factorization.

461251660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002753 (or 1002751 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 461251660 is about 21476.7702413561. The cubic root of 461251660 is about 772.6437823017.

The spelling of 461251660 in words is "four hundred sixty-one million, two hundred fifty-one thousand, six hundred sixty".