461661011562 has 64 divisors (see below), whose sum is σ = 966351513600. Its totient is φ = 146756199744.

The previous prime is 461661011561. The next prime is 461661011573. The reversal of 461661011562 is 265110166164.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 461661011562.

It is not an unprimeable number, because it can be changed into a prime (461661011561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69955939 + ... + 69962537.

It is an arithmetic number, because the mean of its divisors is an integer number (15099242400).

Almost surely, 2^461661011562 is an apocalyptic number.

461661011562 is an abundant number, since it is smaller than the sum of its proper divisors (504690502038).

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

461661011562 is a wasteful number, since it uses less digits than its factorization.

461661011562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 461661011562 in words is "four hundred sixty-one billion, six hundred sixty-one million, eleven thousand, five hundred sixty-two".