16499374 has 4 divisors (see below), whose sum is σ = 24749064. Its totient is φ = 8249686.

The previous prime is 16499369. The next prime is 16499381. The reversal of 16499374 is 47399461.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16499374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4124842 + ... + 4124845.

It is an arithmetic number, because the mean of its divisors is an integer number (6187266).

Almost surely, 2^16499374 is an apocalyptic number.

16499374 is a deficient number, since it is larger than the sum of its proper divisors (8249690).

16499374 is an equidigital number, since it uses as much as digits as its factorization.

16499374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249689.

The product of its digits is 163296, while the sum is 43.

The square root of 16499374 is about 4061.9421463138. The cubic root of 16499374 is about 254.5789488779.

The spelling of 16499374 in words is "sixteen million, four hundred ninety-nine thousand, three hundred seventy-four".