971622167 has 16 divisors (see below), whose sum is σ = 998088480. Its totient is φ = 945635328.

The previous prime is 971622139. The next prime is 971622173. The reversal of 971622167 is 761226179.

It is a cyclic number.

It is not a de Polignac number, because 971622167 - 2⁶ = 971622103 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 (971622187) 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, 2447213 + ... + 2447609.

It is an arithmetic number, because the mean of its divisors is an integer number (62380530).

Almost surely, 2^971622167 is an apocalyptic number.

971622167 is a deficient number, since it is larger than the sum of its proper divisors (26466313).

971622167 is a wasteful number, since it uses less digits than its factorization.

971622167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its digits is 63504, while the sum is 41.

The square root of 971622167 is about 31170.8544477048. The cubic root of 971622167 is about 990.4498064827.

The spelling of 971622167 in words is "nine hundred seventy-one million, six hundred twenty-two thousand, one hundred sixty-seven".