11667686776670 has 32 divisors (see below), whose sum is σ = 21171323546208. Its totient is φ = 4629462995968.

The previous prime is 11667686776663. The next prime is 11667686776673. The reversal of 11667686776670 is 7667768676611.

It is a happy number.

It is a super-2 number, since 2×11667686776670² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667686776673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1467467 + ... + 5048646.

It is an arithmetic number, because the mean of its divisors is an integer number (661603860819).

Almost surely, 2^{11667686776670} is an apocalyptic number.

11667686776670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11667686776670 is a deficient number, since it is larger than the sum of its proper divisors (9503636769538).

11667686776670 is a wasteful number, since it uses less digits than its factorization.

11667686776670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517564.

The product of its (nonzero) digits is 896168448, while the sum is 74.

The spelling of 11667686776670 in words is "eleven trillion, six hundred sixty-seven billion, six hundred eighty-six million, seven hundred seventy-six thousand, six hundred seventy".