16690629 has 8 divisors (see below), whose sum is σ = 22353120. Its totient is φ = 11077616.

The previous prime is 16690627. The next prime is 16690633. The reversal of 16690629 is 92609661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16690629 - 2¹ = 16690627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11574 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (2794140).

Almost surely, 2^16690629 is an apocalyptic number.

It is an amenable number.

16690629 is a deficient number, since it is larger than the sum of its proper divisors (5662491).

16690629 is a wasteful number, since it uses less digits than its factorization.

16690629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24739.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 16690629 is about 4085.4166250212. The cubic root of 16690629 is about 255.5588359237.

The spelling of 16690629 in words is "sixteen million, six hundred ninety thousand, six hundred twenty-nine".