461465746686 has 96 divisors (see below), whose sum is σ = 1160067287808. Its totient is φ = 129841937280.

The previous prime is 461465746681. The next prime is 461465746697. The reversal of 461465746686 is 686647564164.

It is a happy number.

461465746686 is a `hidden beast` number, since 4 + 6 + 1 + 46 + 57 + 466 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461465746681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43158601 + ... + 43169291.

It is an arithmetic number, because the mean of its divisors is an integer number (12084034248).

Almost surely, 2^461465746686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461465746686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580033643904).

461465746686 is an abundant number, since it is smaller than the sum of its proper divisors (698601541122).

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

461465746686 is a wasteful number, since it uses less digits than its factorization.

461465746686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15886 (or 15883 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 63.

The spelling of 461465746686 in words is "four hundred sixty-one billion, four hundred sixty-five million, seven hundred forty-six thousand, six hundred eighty-six".