83375161 has 9 divisors (see below), whose sum is σ = 87377871. Its totient is φ = 79549272.

The previous prime is 83375153. The next prime is 83375177. The reversal of 83375161 is 16157338.

The square root of 83375161 is 9131.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 27499536 = 7475^2 + 5244^2 .

It is not a de Polignac number, because 83375161 - 2³ = 83375153 is a prime.

It is a Duffinian number.

Its product of digits (15120) is a multiple of the sum of its prime divisors (420).

It is not an unprimeable number, because it can be changed into a prime (83375141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 209815 + ... + 210211.

Almost surely, 2^83375161 is an apocalyptic number.

83375161 is the 9131-st square number.

83375161 is the 4566-th centered octagonal number.

It is an amenable number.

83375161 is a deficient number, since it is larger than the sum of its proper divisors (4002710).

83375161 is an frugal number, since it uses more digits than its factorization.

83375161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 420 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The cubic root of 83375161 is about 436.8632998095.

The spelling of 83375161 in words is "eighty-three million, three hundred seventy-five thousand, one hundred sixty-one".