21366866114306 has 32 divisors (see below), whose sum is σ = 32340223581120. Its totient is φ = 10587090540096.

The previous prime is 21366866114299. The next prime is 21366866114327. The reversal of 21366866114306 is 60341166866312.

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, 376327736 + ... + 376384508.

It is an arithmetic number, because the mean of its divisors is an integer number (1010631986910).

Almost surely, 2^{21366866114306} is an apocalyptic number.

21366866114306 is a deficient number, since it is larger than the sum of its proper divisors (10973357466814).

21366866114306 is a wasteful number, since it uses less digits than its factorization.

21366866114306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59378.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 21366866114306 in words is "twenty-one trillion, three hundred sixty-six billion, eight hundred sixty-six million, one hundred fourteen thousand, three hundred six".