2166017265077 has 16 divisors (see below), whose sum is σ = 2275883760000. Its totient is φ = 2057478838272.

The previous prime is 2166017265073. The next prime is 2166017265079. The reversal of 2166017265077 is 7705627106612.

It is not a de Polignac number, because 2166017265077 - 2² = 2166017265073 is a prime.

It is a super-2 number, since 2×2166017265077² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4451213 + ... + 4913789.

It is an arithmetic number, because the mean of its divisors is an integer number (142242735000).

Almost surely, 2^{2166017265077} is an apocalyptic number.

It is an amenable number.

2166017265077 is a deficient number, since it is larger than the sum of its proper divisors (109866494923).

2166017265077 is a wasteful number, since it uses less digits than its factorization.

2166017265077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464012.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 2166017265077 in words is "two trillion, one hundred sixty-six billion, seventeen million, two hundred sixty-five thousand, seventy-seven".