11666621520304 has 20 divisors (see below), whose sum is σ = 22604380460440. Its totient is φ = 5833233014400.

The previous prime is 11666621520283. The next prime is 11666621520319. The reversal of 11666621520304 is 40302512666611.

It is a super-2 number, since 2×11666621520304² (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 3 ways as a sum of consecutive naturals, for example, 3611397 + ... + 6031204.

It is an arithmetic number, because the mean of its divisors is an integer number (1130219023022).

Almost surely, 2^{11666621520304} is an apocalyptic number.

It is an amenable number.

11666621520304 is a deficient number, since it is larger than the sum of its proper divisors (10937758940136).

11666621520304 is an equidigital number, since it uses as much as digits as its factorization.

11666621520304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718228 (or 9718222 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 11666621520304 in words is "eleven trillion, six hundred sixty-six billion, six hundred twenty-one million, five hundred twenty thousand, three hundred four".