16990722 has 40 divisors (see below), whose sum is σ = 43513536. Its totient is φ = 4854168.

The previous prime is 16990703. The next prime is 16990751. The reversal of 16990722 is 22709961.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6358 + ... + 8625.

Almost surely, 2^16990722 is an apocalyptic number.

16990722 is an abundant number, since it is smaller than the sum of its proper divisors (26522814).

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

16990722 is a wasteful number, since it uses less digits than its factorization.

16990722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004 (or 14995 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 16990722 is about 4121.9803492981. The cubic root of 16990722 is about 257.0813733954.

The spelling of 16990722 in words is "sixteen million, nine hundred ninety thousand, seven hundred twenty-two".