16350890 has 16 divisors (see below), whose sum is σ = 29724840. Its totient is φ = 6475200.

The previous prime is 16350883. The next prime is 16350899. The reversal of 16350890 is 9805361.

It can be written as a sum of positive squares in 4 ways, for example, as 15816529 + 534361 = 3977^2 + 731^2 .

It is not an unprimeable number, because it can be changed into a prime (16350899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7085 + ... + 9104.

Almost surely, 2^16350890 is an apocalyptic number.

16350890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16350890 is a deficient number, since it is larger than the sum of its proper divisors (13373950).

16350890 is a wasteful number, since it uses less digits than its factorization.

16350890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 16350890 is about 4043.6233751426. The cubic root of 16350890 is about 253.8129629322.

The spelling of 16350890 in words is "sixteen million, three hundred fifty thousand, eight hundred ninety".