11666667137794 has 32 divisors (see below), whose sum is σ = 17680561367040. Its totient is φ = 5773272008832.

The previous prime is 11666667137753. The next prime is 11666667137821. The reversal of 11666667137794 is 49773176666611.

It is a super-2 number, since 2×11666667137794² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780528229 + ... + 780543175.

It is an arithmetic number, because the mean of its divisors is an integer number (552517542720).

Almost surely, 2^{11666667137794} is an apocalyptic number.

11666667137794 is a deficient number, since it is larger than the sum of its proper divisors (6013894229246).

11666667137794 is a wasteful number, since it uses less digits than its factorization.

11666667137794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874.

The product of its digits is 288054144, while the sum is 70.

The spelling of 11666667137794 in words is "eleven trillion, six hundred sixty-six billion, six hundred sixty-seven million, one hundred thirty-seven thousand, seven hundred ninety-four".