13660577554 has 16 divisors (see below), whose sum is σ = 23228513280. Its totient is φ = 5973045840.

The previous prime is 13660577549. The next prime is 13660577597. The reversal of 13660577554 is 45577506631.

It is a super-2 number, since 2×13660577554² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13660577498 and 13660577507.

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, 13826002 + ... + 13826989.

It is an arithmetic number, because the mean of its divisors is an integer number (1451782080).

Almost surely, 2^13660577554 is an apocalyptic number.

13660577554 is a deficient number, since it is larger than the sum of its proper divisors (9567935726).

13660577554 is a wasteful number, since it uses less digits than its factorization.

13660577554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27653025.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 13660577554 in words is "thirteen billion, six hundred sixty million, five hundred seventy-seven thousand, five hundred fifty-four".