2163977167 has 8 divisors (see below), whose sum is σ = 2361715200. Its totient is φ = 1966407960.

The previous prime is 2163977119. The next prime is 2163977251. The reversal of 2163977167 is 7617793612.

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

It is a de Polignac number, because none of the positive numbers 2^k-2163977167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2163977167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163977117) 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, 14613 + ... + 67390.

It is an arithmetic number, because the mean of its divisors is an integer number (295214400).

Almost surely, 2^2163977167 is an apocalyptic number.

2163977167 is a deficient number, since it is larger than the sum of its proper divisors (197738033).

2163977167 is a wasteful number, since it uses less digits than its factorization.

2163977167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84413.

The product of its digits is 666792, while the sum is 49.

The square root of 2163977167 is about 46518.5679809686. The cubic root of 2163977167 is about 1293.4537115091.

The spelling of 2163977167 in words is "two billion, one hundred sixty-three million, nine hundred seventy-seven thousand, one hundred sixty-seven".