6231661464 has 32 divisors (see below), whose sum is σ = 17804747520. Its totient is φ = 1780474656.

The previous prime is 6231661379. The next prime is 6231661481. The reversal of 6231661464 is 4641661326.

It is a nude number because it is divisible by every one of its digits.

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, 18546444 + ... + 18546779.

It is an arithmetic number, because the mean of its divisors is an integer number (556398360).

Almost surely, 2^6231661464 is an apocalyptic number.

It is an amenable number.

6231661464 is an abundant number, since it is smaller than the sum of its proper divisors (11573086056).

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

6231661464 is a wasteful number, since it uses less digits than its factorization.

6231661464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37093239 (or 37093235 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 6231661464 is about 78940.8732153376. The cubic root of 6231661464 is about 1840.2123912042.

The spelling of 6231661464 in words is "six billion, two hundred thirty-one million, six hundred sixty-one thousand, four hundred sixty-four".