6520451160 has 64 divisors (see below), whose sum is σ = 20590905600. Its totient is φ = 1647271296.

The previous prime is 6520451159. The next prime is 6520451173. The reversal of 6520451160 is 611540256.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427644 + ... + 1432203.

It is an arithmetic number, because the mean of its divisors is an integer number (321732900).

Almost surely, 2^6520451160 is an apocalyptic number.

6520451160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6520451160 is an abundant number, since it is smaller than the sum of its proper divisors (14070454440).

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

6520451160 is a wasteful number, since it uses less digits than its factorization.

6520451160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859880 (or 2859876 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 6520451160 is about 80749.3105852923. The cubic root of 6520451160 is about 1868.2108159713.

The spelling of 6520451160 in words is "six billion, five hundred twenty million, four hundred fifty-one thousand, one hundred sixty".