16670499 has 16 divisors (see below), whose sum is σ = 22718592. Its totient is φ = 10870848.

The previous prime is 16670483. The next prime is 16670503. The reversal of 16670499 is 99407661.

It is not a de Polignac number, because 16670499 - 2⁴ = 16670483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16670499.

It is not an unprimeable number, because it can be changed into a prime (16670299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35464 + ... + 35930.

It is an arithmetic number, because the mean of its divisors is an integer number (1419912).

Almost surely, 2^16670499 is an apocalyptic number.

16670499 is a deficient number, since it is larger than the sum of its proper divisors (6048093).

16670499 is a wasteful number, since it uses less digits than its factorization.

16670499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 16670499 is about 4082.9522407199. The cubic root of 16670499 is about 255.4560543186.

The spelling of 16670499 in words is "sixteen million, six hundred seventy thousand, four hundred ninety-nine".