6520153472 has 32 divisors (see below), whose sum is σ = 14844994320. Its totient is φ = 2794351104.

The previous prime is 6520153447. The next prime is 6520153477. The reversal of 6520153472 is 2743510256.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520153477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637583 + ... + 3639374.

Almost surely, 2^6520153472 is an apocalyptic number.

It is an amenable number.

6520153472 is an abundant number, since it is smaller than the sum of its proper divisors (8324840848).

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

6520153472 is an equidigital number, since it uses as much as digits as its factorization.

6520153472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276978 (or 7276966 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6520153472 is about 80747.4672791661. The cubic root of 6520153472 is about 1868.1823847891.

The spelling of 6520153472 in words is "six billion, five hundred twenty million, one hundred fifty-three thousand, four hundred seventy-two".