13036486656 has 136 divisors (see below), whose sum is σ = 35366101504. Its totient is φ = 4270325760.

The previous prime is 13036486643. The next prime is 13036486721. The reversal of 13036486656 is 65668463031.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 11992545 + ... + 11993631.

It is an arithmetic number, because the mean of its divisors is an integer number (260044864).

Almost surely, 2^13036486656 is an apocalyptic number.

13036486656 is a gapful number since it is divisible by the number (16) 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 13036486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17683050752).

13036486656 is an abundant number, since it is smaller than the sum of its proper divisors (22329614848).

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

13036486656 is an frugal number, since it uses more digits than its factorization.

13036486656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 13036486656 in words is "thirteen billion, thirty-six million, four hundred eighty-six thousand, six hundred fifty-six".