461463165666 has 128 divisors (see below), whose sum is σ = 1123841952000. Its totient is φ = 139705316352.

The previous prime is 461463165659. The next prime is 461463165679. The reversal of 461463165666 is 666561364164.

It is a super-2 number, since 2×461463165666² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68069065 + ... + 68075843.

It is an arithmetic number, because the mean of its divisors is an integer number (8780015250).

Almost surely, 2^461463165666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461463165666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561920976000).

461463165666 is an abundant number, since it is smaller than the sum of its proper divisors (662378786334).

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

461463165666 is a wasteful number, since it uses less digits than its factorization.

461463165666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393 (or 9387 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 461463165666 in words is "four hundred sixty-one billion, four hundred sixty-three million, one hundred sixty-five thousand, six hundred sixty-six".