461656512 has 42 divisors (see below), whose sum is σ = 1323256688. Its totient is φ = 153885312.

The previous prime is 461656501. The next prime is 461656523. The reversal of 461656512 is 215656164.

It is an interprime number because it is at equal distance from previous prime (461656501) and next prime (461656523).

It is a super-2 number, since 2×461656512² = 426253470144012288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400168 + ... + 401319.

Almost surely, 2^461656512 is an apocalyptic number.

It is an amenable number.

461656512 is an abundant number, since it is smaller than the sum of its proper divisors (861600176).

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

461656512 is a wasteful number, since it uses less digits than its factorization.

461656512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801505 (or 801492 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 461656512 is about 21486.1935204912. The cubic root of 461656512 is about 772.8697723869.

The spelling of 461656512 in words is "four hundred sixty-one million, six hundred fifty-six thousand, five hundred twelve".