82163901 has 8 divisors (see below), whose sum is σ = 109609024. Its totient is φ = 54747360.

The previous prime is 82163897. The next prime is 82163903. The reversal of 82163901 is 10936128.

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

It is not a de Polignac number, because 82163901 - 2² = 82163897 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 (82163903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (13701128).

Almost surely, 2^82163901 is an apocalyptic number.

It is an amenable number.

82163901 is a deficient number, since it is larger than the sum of its proper divisors (27445123).

82163901 is a wasteful number, since it uses less digits than its factorization.

82163901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 82163901 is about 9064.4305392010. The cubic root of 82163901 is about 434.7374131959.

The spelling of 82163901 in words is "eighty-two million, one hundred sixty-three thousand, nine hundred one".