16748690 has 64 divisors (see below), whose sum is σ = 37152000. Its totient is φ = 5419008.

The previous prime is 16748681. The next prime is 16748701. The reversal of 16748690 is 9684761.

It is a super-2 number, since 2×16748690² = 561037233432200, which contains 22 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 31 ways as a sum of consecutive naturals, for example, 65042 + ... + 65298.

It is an arithmetic number, because the mean of its divisors is an integer number (580500).

Almost surely, 2^16748690 is an apocalyptic number.

16748690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16748690 is an abundant number, since it is smaller than the sum of its proper divisors (20403310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16748690 is a wasteful number, since it uses less digits than its factorization.

16748690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 16748690 is about 4092.5163408348. The cubic root of 16748690 is about 255.8548269516.

The spelling of 16748690 in words is "sixteen million, seven hundred forty-eight thousand, six hundred ninety".