6461181460 has 24 divisors (see below), whose sum is σ = 13570585056. Its totient is φ = 2584071840.

The previous prime is 6461181457. The next prime is 6461181487. The reversal of 6461181460 is 641811646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130815 + ... + 173305.

It is an arithmetic number, because the mean of its divisors is an integer number (565441044).

Almost surely, 2^6461181460 is an apocalyptic number.

It is an amenable number.

6461181460 is an abundant number, since it is smaller than the sum of its proper divisors (7109403596).

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

6461181460 is a wasteful number, since it uses less digits than its factorization.

6461181460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50103 (or 50101 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 6461181460 is about 80381.4746070262. The cubic root of 6461181460 is about 1862.5330136034.

The spelling of 6461181460 in words is "six billion, four hundred sixty-one million, one hundred eighty-one thousand, four hundred sixty".