6716531580 has 144 divisors (see below), whose sum is σ = 20835916416. Its totient is φ = 1603240320.

The previous prime is 6716531567. The next prime is 6716531603. The reversal of 6716531580 is 851356176.

It is a super-2 number, since 2×6716531580² = 90223592930274592800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2961607 + ... + 2963873.

It is an arithmetic number, because the mean of its divisors is an integer number (144693864).

Almost surely, 2^6716531580 is an apocalyptic number.

6716531580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6716531580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10417958208).

6716531580 is an abundant number, since it is smaller than the sum of its proper divisors (14119384836).

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

6716531580 is a wasteful number, since it uses less digits than its factorization.

6716531580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 6716531580 is about 81954.4482014247. The cubic root of 6716531580 is about 1886.7528746639.

The spelling of 6716531580 in words is "six billion, seven hundred sixteen million, five hundred thirty-one thousand, five hundred eighty".