16391468 has 12 divisors (see below), whose sum is σ = 30372552. Its totient is φ = 7713600.

The previous prime is 16391461. The next prime is 16391477. The reversal of 16391468 is 86419361.

It is not an unprimeable number, because it can be changed into a prime (16391461) 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 3 ways as a sum of consecutive naturals, for example, 120458 + ... + 120593.

It is an arithmetic number, because the mean of its divisors is an integer number (2531046).

Almost surely, 2^16391468 is an apocalyptic number.

It is an amenable number.

16391468 is a deficient number, since it is larger than the sum of its proper divisors (13981084).

16391468 is a wasteful number, since it uses less digits than its factorization.

16391468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241072 (or 241070 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 16391468 is about 4048.6377956048. The cubic root of 16391468 is about 254.0227520074.

The spelling of 16391468 in words is "sixteen million, three hundred ninety-one thousand, four hundred sixty-eight".