161314498 has 4 divisors (see below), whose sum is σ = 241971750. Its totient is φ = 80657248.

The previous prime is 161314477. The next prime is 161314507. The reversal of 161314498 is 894413161.

161314498 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 894413161 = 8081 ⋅110681.

It can be written as a sum of positive squares in only one way, i.e., 156575169 + 4739329 = 12513^2 + 2177^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40328623 + ... + 40328626.

Almost surely, 2^161314498 is an apocalyptic number.

161314498 is a deficient number, since it is larger than the sum of its proper divisors (80657252).

161314498 is an equidigital number, since it uses as much as digits as its factorization.

161314498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80657251.

The product of its digits is 20736, while the sum is 37.

The square root of 161314498 is about 12700.9644515682. The cubic root of 161314498 is about 544.3661772848.

The spelling of 161314498 in words is "one hundred sixty-one million, three hundred fourteen thousand, four hundred ninety-eight".