2166456355610 has 16 divisors (see below), whose sum is σ = 3906547953696. Its totient is φ = 865043317008.

The previous prime is 2166456355543. The next prime is 2166456355663. The reversal of 2166456355610 is 165536546612.

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, 192397244 + ... + 192408503.

It is an arithmetic number, because the mean of its divisors is an integer number (244159247106).

Almost surely, 2^{2166456355610} is an apocalyptic number.

2166456355610 is a deficient number, since it is larger than the sum of its proper divisors (1740091598086).

2166456355610 is a wasteful number, since it uses less digits than its factorization.

2166456355610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384806317.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 2166456355610 in words is "two trillion, one hundred sixty-six billion, four hundred fifty-six million, three hundred fifty-five thousand, six hundred ten".