16190998 has 12 divisors (see below), whose sum is σ = 24520860. Its totient is φ = 8018076.

The previous prime is 16190981. The next prime is 16191001. The reversal of 16190998 is 89909161.

It is a super-3 number, since 3×16190998³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38433 + ... + 38851.

It is an arithmetic number, because the mean of its divisors is an integer number (2043405).

Almost surely, 2^16190998 is an apocalyptic number.

16190998 is a deficient number, since it is larger than the sum of its proper divisors (8329862).

16190998 is an equidigital number, since it uses as much as digits as its factorization.

16190998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 16190998 is about 4023.8039216642. The cubic root of 16190998 is about 252.9829231237.

The spelling of 16190998 in words is "sixteen million, one hundred ninety thousand, nine hundred ninety-eight".