13646064066 has 16 divisors (see below), whose sum is σ = 27699474144. Its totient is φ = 4480797024.

The previous prime is 13646064041. The next prime is 13646064073. The reversal of 13646064066 is 66046064631.

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, 16972315 + ... + 16973118.

It is an arithmetic number, because the mean of its divisors is an integer number (1731217134).

Almost surely, 2^13646064066 is an apocalyptic number.

13646064066 is an abundant number, since it is smaller than the sum of its proper divisors (14053410078).

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

13646064066 is a wasteful number, since it uses less digits than its factorization.

13646064066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33945505.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 13646064066 in words is "thirteen billion, six hundred forty-six million, sixty-four thousand, sixty-six".