13599220608 has 192 divisors, whose sum is σ = 39708396000. Its totient is φ = 4467032064.

The previous prime is 13599220597. The next prime is 13599220631. The reversal of 13599220608 is 80602299531.

13599220608 is a `hidden beast` number, since 1 + 35 + 9 + 9 + 2 + 2 + 0 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×13599220608² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) 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 23 ways as a sum of consecutive naturals, for example, 31406760 + ... + 31407192.

Almost surely, 2^13599220608 is an apocalyptic number.

13599220608 is a gapful number since it is divisible by the number (18) 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 13599220608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19854198000).

13599220608 is an abundant number, since it is smaller than the sum of its proper divisors (26109175392).

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

13599220608 is a wasteful number, since it uses less digits than its factorization.

13599220608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 13599220608 in words is "thirteen billion, five hundred ninety-nine million, two hundred twenty thousand, six hundred eight".