16902085 has 8 divisors (see below), whose sum is σ = 20469240. Its totient is φ = 13397184.

The previous prime is 16902073. The next prime is 16902091. The reversal of 16902085 is 58020961.

It can be written as a sum of positive squares in 4 ways, for example, as 42849 + 16859236 = 207^2 + 4106^2 .

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 16902085 - 2⁷ = 16901957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14962 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (2558655).

Almost surely, 2^16902085 is an apocalyptic number.

It is an amenable number.

16902085 is a deficient number, since it is larger than the sum of its proper divisors (3567155).

16902085 is a wasteful number, since it uses less digits than its factorization.

16902085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31127.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 16902085 is about 4111.2145407410. The cubic root of 16902085 is about 256.6335473842.

The spelling of 16902085 in words is "sixteen million, nine hundred two thousand, eighty-five".