1795132161 has 27 divisors (see below), whose sum is σ = 2690990211. Its totient is φ = 1153114704.

The previous prime is 1795132133. The next prime is 1795132181. The reversal of 1795132161 is 1612315971.

It is a happy number.

The square root of 1795132161 is 42369.

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., 941323761 + 853808400 = 30681^2 + 29220^2 .

It is not a de Polignac number, because 1795132161 - 2⁷ = 1795132033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1795132111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3685860 + ... + 3686346.

Almost surely, 2^1795132161 is an apocalyptic number.

1795132161 is the 42369-th square number.

1795132161 is the 21185-th centered octagonal number.

It is an amenable number.

1795132161 is a deficient number, since it is larger than the sum of its proper divisors (895858050).

1795132161 is an frugal number, since it uses more digits than its factorization.

1795132161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 519 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The cubic root of 1795132161 is about 1215.3428469038.

Multiplying 1795132161 by its sum of digits (36), we get a square (64624757796 = 254214²).

It can be divided in two parts, 1795 and 132161, that added together give a square (133956 = 366²).

The spelling of 1795132161 in words is "one billion, seven hundred ninety-five million, one hundred thirty-two thousand, one hundred sixty-one".