13165523630 has 64 divisors (see below), whose sum is σ = 27233902080. Its totient is φ = 4488891264.

The previous prime is 13165523621. The next prime is 13165523663. The reversal of 13165523630 is 3632556131.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15326141 + ... + 15326999.

It is an arithmetic number, because the mean of its divisors is an integer number (425529720).

Almost surely, 2^13165523630 is an apocalyptic number.

13165523630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13165523630 is an abundant number, since it is smaller than the sum of its proper divisors (14068378450).

13165523630 is a wasteful number, since it uses less digits than its factorization.

13165523630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 13165523630 in words is "thirteen billion, one hundred sixty-five million, five hundred twenty-three thousand, six hundred thirty".