16870068 has 18 divisors (see below), whose sum is σ = 42643874. Its totient is φ = 5623344.

The previous prime is 16870057. The next prime is 16870093. The reversal of 16870068 is 86007861.

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 4210704 = 3558^2 + 2052^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 468613 = 16870068 / (1 + 6 + 8 + 7 + 0 + 0 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234271 + ... + 234342.

Almost surely, 2^16870068 is an apocalyptic number.

16870068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16870068 is an abundant number, since it is smaller than the sum of its proper divisors (25773806).

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

16870068 is a wasteful number, since it uses less digits than its factorization.

16870068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468623 (or 468618 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 16870068 is about 4107.3188334971. The cubic root of 16870068 is about 256.4714011182.

The spelling of 16870068 in words is "sixteen million, eight hundred seventy thousand, sixty-eight".