16696031 has 8 divisors (see below), whose sum is σ = 18434304. Its totient is φ = 14994520.

The previous prime is 16696021. The next prime is 16696033. The reversal of 16696031 is 13069661.

16696031 = 231² + 232² + ... + 396².

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 16696031 - 2¹⁴ = 16679647 is a prime.

It is a super-2 number, since 2×16696031² = 557514902305922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16696033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (2304288).

Almost surely, 2^16696031 is an apocalyptic number.

16696031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16696031 is a deficient number, since it is larger than the sum of its proper divisors (1738273).

16696031 is a wasteful number, since it uses less digits than its factorization.

16696031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18381.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16696031 is about 4086.0777036175. The cubic root of 16696031 is about 255.5864038866.

The spelling of 16696031 in words is "sixteen million, six hundred ninety-six thousand, thirty-one".