16990710 has 32 divisors (see below), whose sum is σ = 44485632. Its totient is φ = 4118880.

The previous prime is 16990703. The next prime is 16990751. The reversal of 16990710 is 1709961.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 25414 + ... + 26073.

It is an arithmetic number, because the mean of its divisors is an integer number (1390176).

Almost surely, 2^16990710 is an apocalyptic number.

16990710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16990710 is an abundant number, since it is smaller than the sum of its proper divisors (27494922).

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

16990710 is a wasteful number, since it uses less digits than its factorization.

16990710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51508.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 16990710 is about 4121.9788936869. The cubic root of 16990710 is about 257.0813128727.

The spelling of 16990710 in words is "sixteen million, nine hundred ninety thousand, seven hundred ten".