16691082 has 32 divisors (see below), whose sum is σ = 36280320. Its totient is φ = 5099760.

The previous prime is 16691069. The next prime is 16691089. The reversal of 16691082 is 28019661.

It is not an unprimeable number, because it can be changed into a prime (16691089) 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, 1173 + ... + 5895.

It is an arithmetic number, because the mean of its divisors is an integer number (1133760).

Almost surely, 2^16691082 is an apocalyptic number.

16691082 is an abundant number, since it is smaller than the sum of its proper divisors (19589238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16691082 is a wasteful number, since it uses less digits than its factorization.

16691082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 16691082 is about 4085.4720657471. The cubic root of 16691082 is about 255.5611479418.

The spelling of 16691082 in words is "sixteen million, six hundred ninety-one thousand, eighty-two".