16453898 has 4 divisors (see below), whose sum is σ = 24680850. Its totient is φ = 8226948.

The previous prime is 16453889. The next prime is 16453939. The reversal of 16453898 is 89835461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89835461 = 757 ⋅118673.

It can be written as a sum of positive squares in only one way, i.e., 16216729 + 237169 = 4027^2 + 487^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113473 + ... + 4113476.

Almost surely, 2^16453898 is an apocalyptic number.

16453898 is a deficient number, since it is larger than the sum of its proper divisors (8226952).

16453898 is an equidigital number, since it uses as much as digits as its factorization.

16453898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226951.

The product of its digits is 207360, while the sum is 44.

The square root of 16453898 is about 4056.3404689449. The cubic root of 16453898 is about 254.3448413074.

The spelling of 16453898 in words is "sixteen million, four hundred fifty-three thousand, eight hundred ninety-eight".