6465830172 has 24 divisors (see below), whose sum is σ = 15115798656. Its totient is φ = 2151153648.

The previous prime is 6465830143. The next prime is 6465830183. The reversal of 6465830172 is 2710385646.

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, 508848 + ... + 521399.

It is an arithmetic number, because the mean of its divisors is an integer number (629824944).

Almost surely, 2^6465830172 is an apocalyptic number.

It is an amenable number.

6465830172 is an abundant number, since it is smaller than the sum of its proper divisors (8649968484).

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

6465830172 is a wasteful number, since it uses less digits than its factorization.

6465830172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030777 (or 1030775 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 6465830172 is about 80410.3859709677. The cubic root of 6465830172 is about 1862.9795936359.

It can be divided in two parts, 64658 and 30172, that added together give a triangular number (94830 = T₄₃₅).

The spelling of 6465830172 in words is "six billion, four hundred sixty-five million, eight hundred thirty thousand, one hundred seventy-two".