461513660 has 12 divisors (see below), whose sum is σ = 969178728. Its totient is φ = 184605456.

The previous prime is 461513651. The next prime is 461513669. The reversal of 461513660 is 66315164.

It is an interprime number because it is at equal distance from previous prime (461513651) and next prime (461513669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461513669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11537822 + ... + 11537861.

It is an arithmetic number, because the mean of its divisors is an integer number (80764894).

Almost surely, 2^461513660 is an apocalyptic number.

It is an amenable number.

461513660 is an abundant number, since it is smaller than the sum of its proper divisors (507665068).

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

461513660 is a wasteful number, since it uses less digits than its factorization.

461513660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23075692 (or 23075690 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 461513660 is about 21482.8689890340. The cubic root of 461513660 is about 772.7900468915.

The spelling of 461513660 in words is "four hundred sixty-one million, five hundred thirteen thousand, six hundred sixty".