11666621520362 has 16 divisors (see below), whose sum is σ = 18603367308000. Its totient is φ = 5471578616400.

The previous prime is 11666621520353. The next prime is 11666621520383. The reversal of 11666621520362 is 26302512666611.

It is a super-2 number, since 2×11666621520362² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519879112 + ... + 1519886787.

It is an arithmetic number, because the mean of its divisors is an integer number (1162710456750).

Almost surely, 2^{11666621520362} is an apocalyptic number.

11666621520362 is a deficient number, since it is larger than the sum of its proper divisors (6936745787638).

11666621520362 is a wasteful number, since it uses less digits than its factorization.

11666621520362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039766021.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 11666621520362 in words is "eleven trillion, six hundred sixty-six billion, six hundred twenty-one million, five hundred twenty thousand, three hundred sixty-two".