11958084928666 has 16 divisors (see below), whose sum is σ = 18164733085440. Its totient is φ = 5903178512400.

The previous prime is 11958084928651. The next prime is 11958084928709. The reversal of 11958084928666 is 66682948085911.

It is a super-2 number, since 2×11958084928666² (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 7 ways as a sum of consecutive naturals, for example, 4125195 + ... + 6397921.

It is an arithmetic number, because the mean of its divisors is an integer number (1135295817840).

Almost surely, 2^{11958084928666} is an apocalyptic number.

11958084928666 is a deficient number, since it is larger than the sum of its proper divisors (6206648156774).

11958084928666 is a wasteful number, since it uses less digits than its factorization.

11958084928666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306109.

The product of its (nonzero) digits is 358318080, while the sum is 73.

The spelling of 11958084928666 in words is "eleven trillion, nine hundred fifty-eight billion, eighty-four million, nine hundred twenty-eight thousand, six hundred sixty-six".