80292161 has 4 divisors (see below), whose sum is σ = 80318292. Its totient is φ = 80266032.

The previous prime is 80292133. The next prime is 80292167. The reversal of 80292161 is 16129208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6864400 + 73427761 = 2620^2 + 8569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80292161 is a prime.

It is a super-2 number, since 2×80292161² = 12893662236099842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80292167) 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, 7730 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (20079573).

Almost surely, 2^80292161 is an apocalyptic number.

It is an amenable number.

80292161 is a deficient number, since it is larger than the sum of its proper divisors (26131).

80292161 is a wasteful number, since it uses less digits than its factorization.

80292161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26130.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 80292161 is about 8960.5893221372. The cubic root of 80292161 is about 431.4108355907.

The spelling of 80292161 in words is "eighty million, two hundred ninety-two thousand, one hundred sixty-one".