16150649 has 4 divisors (see below), whose sum is σ = 16176036. Its totient is φ = 16125264.

The previous prime is 16150613. The next prime is 16150661. The reversal of 16150649 is 94605161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 14100025 = 1432^2 + 3755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16150649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16150609) 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, 11714 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (4044009).

Almost surely, 2^16150649 is an apocalyptic number.

It is an amenable number.

16150649 is a deficient number, since it is larger than the sum of its proper divisors (25387).

16150649 is an equidigital number, since it uses as much as digits as its factorization.

16150649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25386.

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

The square root of 16150649 is about 4018.7870060505. The cubic root of 16150649 is about 252.7725984510.

The spelling of 16150649 in words is "sixteen million, one hundred fifty thousand, six hundred forty-nine".