83219161 has 8 divisors (see below), whose sum is σ = 84355040. Its totient is φ = 82091232.

The previous prime is 83219111. The next prime is 83219173. The reversal of 83219161 is 16191238.

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 83219161 - 2¹⁵ = 83186393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83219111) 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, 20821 + ... + 24493.

It is an arithmetic number, because the mean of its divisors is an integer number (10544380).

Almost surely, 2^83219161 is an apocalyptic number.

It is an amenable number.

83219161 is a deficient number, since it is larger than the sum of its proper divisors (1135879).

83219161 is a wasteful number, since it uses less digits than its factorization.

83219161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its digits is 2592, while the sum is 31.

The square root of 83219161 is about 9122.4536721213. The cubic root of 83219161 is about 436.5906637595.

The spelling of 83219161 in words is "eighty-three million, two hundred nineteen thousand, one hundred sixty-one".