162080451 has 12 divisors (see below), whose sum is σ = 252125328. Its totient is φ = 99741744.

The previous prime is 162080447. The next prime is 162080473. The reversal of 162080451 is 154080261.

162080451 is a `hidden beast` number, since 1 + 6 + 208 + 0 + 451 = 666.

It is not a de Polignac number, because 162080451 - 2² = 162080447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162080441) 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 11 ways as a sum of consecutive naturals, for example, 692535 + ... + 692768.

It is an arithmetic number, because the mean of its divisors is an integer number (21010444).

Almost surely, 2^162080451 is an apocalyptic number.

162080451 is a deficient number, since it is larger than the sum of its proper divisors (90044877).

162080451 is a wasteful number, since it uses less digits than its factorization.

162080451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385322 (or 1385319 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 162080451 is about 12731.0820828396. The cubic root of 162080451 is about 545.2264031433.

The spelling of 162080451 in words is "one hundred sixty-two million, eighty thousand, four hundred fifty-one".