13016573520 has 40 divisors (see below), whose sum is σ = 40351378656. Its totient is φ = 3471086208.

The previous prime is 13016573513. The next prime is 13016573533. The reversal of 13016573520 is 2537561031.

It is a tau number, because it is divible by the number of its divisors (40).

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, 27117622 + ... + 27118101.

Almost surely, 2^13016573520 is an apocalyptic number.

13016573520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13016573520 is an abundant number, since it is smaller than the sum of its proper divisors (27334805136).

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

13016573520 is a wasteful number, since it uses less digits than its factorization.

13016573520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54235739 (or 54235733 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 13016573520 in words is "thirteen billion, sixteen million, five hundred seventy-three thousand, five hundred twenty".