80161451 has 2 divisors, whose sum is σ = 80161452. Its totient is φ = 80161450.

The previous prime is 80161447. The next prime is 80161561. The reversal of 80161451 is 15416108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80161451 - 2² = 80161447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80161451.

It is not a weakly prime, because it can be changed into another prime (80161421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40080725 + 40080726.

It is an arithmetic number, because the mean of its divisors is an integer number (40080726).

Almost surely, 2^80161451 is an apocalyptic number.

80161451 is a deficient number, since it is larger than the sum of its proper divisors (1).

80161451 is an equidigital number, since it uses as much as digits as its factorization.

80161451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 80161451 is about 8953.2927462470. The cubic root of 80161451 is about 431.1766062595.

Adding to 80161451 its reverse (15416108), we get a palindrome (95577559).

The spelling of 80161451 in words is "eighty million, one hundred sixty-one thousand, four hundred fifty-one".