16699037 has 6 divisors (see below), whose sum is σ = 16876314. Its totient is φ = 16523600.

The previous prime is 16699009. The next prime is 16699051. The reversal of 16699037 is 73099661.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6497401 + 10201636 = 2549^2 + 3194^2 .

It is not a de Polignac number, because 16699037 - 2²⁰ = 15650461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16698985 and 16699003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16699057) 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 5 ways as a sum of consecutive naturals, for example, 9383 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (2812719).

Almost surely, 2^16699037 is an apocalyptic number.

It is an amenable number.

16699037 is a deficient number, since it is larger than the sum of its proper divisors (177277).

16699037 is an equidigital number, since it uses as much as digits as its factorization.

16699037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 16699037 is about 4086.4455214771. The cubic root of 16699037 is about 255.6017417958.

The spelling of 16699037 in words is "sixteen million, six hundred ninety-nine thousand, thirty-seven".