16870320 has 60 divisors (see below), whose sum is σ = 56658576. Its totient is φ = 4498560.

The previous prime is 16870313. The next prime is 16870327. The reversal of 16870320 is 2307861.

It is an interprime number because it is at equal distance from previous prime (16870313) and next prime (16870327).

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (16870327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10996 + ... + 12435.

Almost surely, 2^16870320 is an apocalyptic number.

16870320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16870320 is an abundant number, since it is smaller than the sum of its proper divisors (39788256).

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

16870320 is a wasteful number, since it uses less digits than its factorization.

16870320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23450 (or 23441 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16870320 is about 4107.3495103290. The cubic root of 16870320 is about 256.4726781427.

The spelling of 16870320 in words is "sixteen million, eight hundred seventy thousand, three hundred twenty".