13577966666 has 16 divisors (see below), whose sum is σ = 22273913088. Its totient is φ = 6156408000.

The previous prime is 13577966653. The next prime is 13577966669. The reversal of 13577966666 is 66666977531.

It is a super-2 number, since 2×13577966666² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13577966599 and 13577966608.

It is not an unprimeable number, because it can be changed into a prime (13577966669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760730 + ... + 778373.

It is an arithmetic number, because the mean of its divisors is an integer number (1392119568).

Almost surely, 2^13577966666 is an apocalyptic number.

13577966666 is a deficient number, since it is larger than the sum of its proper divisors (8695946422).

13577966666 is a wasteful number, since it uses less digits than its factorization.

13577966666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539517.

The product of its digits is 51438240, while the sum is 62.

The spelling of 13577966666 in words is "thirteen billion, five hundred seventy-seven million, nine hundred sixty-six thousand, six hundred sixty-six".