2166017265076 has 24 divisors (see below), whose sum is σ = 4357075201920. Its totient is φ = 922927255392.

The previous prime is 2166017265073. The next prime is 2166017265079. The reversal of 2166017265076 is 6705627106612.

It is an interprime number because it is at equal distance from previous prime (2166017265073) and next prime (2166017265079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166017265073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223572496 + ... + 223582183.

It is an arithmetic number, because the mean of its divisors is an integer number (181544800080).

Almost surely, 2^{2166017265076} is an apocalyptic number.

It is an amenable number.

2166017265076 is an abundant number, since it is smaller than the sum of its proper divisors (2191057936844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2166017265076 is a wasteful number, since it uses less digits than its factorization.

2166017265076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447154863 (or 447154861 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 2166017265076 in words is "two trillion, one hundred sixty-six billion, seventeen million, two hundred sixty-five thousand, seventy-six".