16145650 has 24 divisors (see below), whose sum is σ = 30349620. Its totient is φ = 6389760.

The previous prime is 16145641. The next prime is 16145659. The reversal of 16145650 is 5654161.

It is an interprime number because it is at equal distance from previous prime (16145641) and next prime (16145659).

It can be written as a sum of positive squares in 6 ways, for example, as 4592449 + 11553201 = 2143^2 + 3399^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16145659) 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, 3186 + ... + 6514.

Almost surely, 2^16145650 is an apocalyptic number.

16145650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16145650 is a deficient number, since it is larger than the sum of its proper divisors (14203970).

16145650 is a wasteful number, since it uses less digits than its factorization.

16145650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 16145650 is about 4018.1650040784. The cubic root of 16145650 is about 252.7465161016.

The spelling of 16145650 in words is "sixteen million, one hundred forty-five thousand, six hundred fifty".