92161261 has 4 divisors (see below), whose sum is σ = 92192800. Its totient is φ = 92129724.

The previous prime is 92161231. The next prime is 92161297. The reversal of 92161261 is 16216129.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 92161261 - 2¹¹ = 92159213 is a prime.

It is a super-2 number, since 2×92161261² = 16987396058220242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92161231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10881 + ... + 17398.

It is an arithmetic number, because the mean of its divisors is an integer number (23048200).

Almost surely, 2^92161261 is an apocalyptic number.

It is an amenable number.

92161261 is a deficient number, since it is larger than the sum of its proper divisors (31539).

92161261 is a wasteful number, since it uses less digits than its factorization.

92161261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31538.

The product of its digits is 1296, while the sum is 28.

The square root of 92161261 is about 9600.0656768587. The cubic root of 92161261 is about 451.6993540036.

The spelling of 92161261 in words is "ninety-two million, one hundred sixty-one thousand, two hundred sixty-one".