16690672 has 10 divisors (see below), whose sum is σ = 32338208. Its totient is φ = 8345328.

The previous prime is 16690657. The next prime is 16690673. The reversal of 16690672 is 27609661.

It is a super-3 number, since 3×16690672³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521568 + ... + 521599.

Almost surely, 2^16690672 is an apocalyptic number.

It is an amenable number.

16690672 is a deficient number, since it is larger than the sum of its proper divisors (15647536).

16690672 is a wasteful number, since it uses less digits than its factorization.

16690672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043175 (or 1043169 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 16690672 is about 4085.4218876390. The cubic root of 16690672 is about 255.5590553886.

The spelling of 16690672 in words is "sixteen million, six hundred ninety thousand, six hundred seventy-two".