13101666516 has 72 divisors (see below), whose sum is σ = 35179202240. Its totient is φ = 4216599072.

The previous prime is 13101666509. The next prime is 13101666533. The reversal of 13101666516 is 61566610131.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 18705 + ... + 162951.

Almost surely, 2^13101666516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13101666516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17589601120).

13101666516 is an abundant number, since it is smaller than the sum of its proper divisors (22077535724).

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

13101666516 is a wasteful number, since it uses less digits than its factorization.

13101666516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144318 (or 144281 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 13101666516 in words is "thirteen billion, one hundred one million, six hundred sixty-six thousand, five hundred sixteen".