16045390 has 8 divisors (see below), whose sum is σ = 28881720. Its totient is φ = 6418152.

The previous prime is 16045387. The next prime is 16045397. The reversal of 16045390 is 9354061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16045397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802260 + ... + 802279.

It is an arithmetic number, because the mean of its divisors is an integer number (3610215).

Almost surely, 2^16045390 is an apocalyptic number.

16045390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16045390 is a deficient number, since it is larger than the sum of its proper divisors (12836330).

16045390 is a wasteful number, since it uses less digits than its factorization.

16045390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604546.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16045390 is about 4005.6697317677. The cubic root of 16045390 is about 252.2222675760. Note that the first 4 decimals are identical.

The spelling of 16045390 in words is "sixteen million, forty-five thousand, three hundred ninety".