2166937392167 has 8 divisors (see below), whose sum is σ = 2174721516480. Its totient is φ = 2159162565120.

The previous prime is 2166937392119. The next prime is 2166937392229. The reversal of 2166937392167 is 7612937396612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166937392167 - 2³⁸ = 1892059485223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166937392467) 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, 1857167 + ... + 2789792.

It is an arithmetic number, because the mean of its divisors is an integer number (271840189560).

Almost surely, 2^{2166937392167} is an apocalyptic number.

2166937392167 is a deficient number, since it is larger than the sum of its proper divisors (7784124313).

2166937392167 is a wasteful number, since it uses less digits than its factorization.

2166937392167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648633.

The product of its digits is 30862944, while the sum is 62.

The spelling of 2166937392167 in words is "two trillion, one hundred sixty-six billion, nine hundred thirty-seven million, three hundred ninety-two thousand, one hundred sixty-seven".