16990700 has 36 divisors (see below), whose sum is σ = 37179912. Its totient is φ = 6739200.

The previous prime is 16990691. The next prime is 16990703. The reversal of 16990700 is 709961.

It is not an unprimeable number, because it can be changed into a prime (16990703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12452 + ... + 13748.

Almost surely, 2^16990700 is an apocalyptic number.

16990700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16990700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18589956).

16990700 is an abundant number, since it is smaller than the sum of its proper divisors (20189212).

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

16990700 is a wasteful number, since it uses less digits than its factorization.

16990700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 16990700 is about 4121.9776806771. The cubic root of 16990700 is about 257.0812624370.

The spelling of 16990700 in words is "sixteen million, nine hundred ninety thousand, seven hundred".