2166077002236 has 48 divisors (see below), whose sum is σ = 5917088405760. Its totient is φ = 603784529280.

The previous prime is 2166077002183. The next prime is 2166077002247. The reversal of 2166077002236 is 6322007706612.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 314467666 + ... + 314474553.

It is an arithmetic number, because the mean of its divisors is an integer number (123272675120).

Almost surely, 2^{2166077002236} is an apocalyptic number.

It is an amenable number.

2166077002236 is an abundant number, since it is smaller than the sum of its proper divisors (3751011403524).

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

2166077002236 is a wasteful number, since it uses less digits than its factorization.

2166077002236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628942274 (or 628942272 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 2166077002236 in words is "two trillion, one hundred sixty-six billion, seventy-seven million, two thousand, two hundred thirty-six".