461171377216 has 63 divisors (see below), whose sum is σ = 1006024700037. Its totient is φ = 209596189440.

The previous prime is 461171377187. The next prime is 461171377223. The reversal of 461171377216 is 612773171164.

The square root of 461171377216 is 679096.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 226233409600 + 234937967616 = 475640^2 + 484704^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59756590 + ... + 59764306.

Almost surely, 2^461171377216 is an apocalyptic number.

461171377216 is the 679096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461171377216

461171377216 is an abundant number, since it is smaller than the sum of its proper divisors (544853322821).

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

461171377216 is an frugal number, since it uses more digits than its factorization.

461171377216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15468 (or 7730 counting only the distinct ones).

The product of its digits is 296352, while the sum is 46.

The spelling of 461171377216 in words is "four hundred sixty-one billion, one hundred seventy-one million, three hundred seventy-seven thousand, two hundred sixteen".