16150250209 has 4 divisors (see below), whose sum is σ = 16258641300. Its totient is φ = 16041859120.

The previous prime is 16150250143. The next prime is 16150250219. The reversal of 16150250209 is 90205205161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90205205161 = 1579 ⋅57128059.

It can be written as a sum of positive squares in 2 ways, for example, as 2450250000 + 13700000209 = 49500^2 + 117047^2 .

It is a cyclic number.

It is not a de Polignac number, because 16150250209 - 2²⁷ = 16016032481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16150250219) 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, 54195322 + ... + 54195619.

It is an arithmetic number, because the mean of its divisors is an integer number (4064660325).

Almost surely, 2^16150250209 is an apocalyptic number.

It is an amenable number.

16150250209 is a deficient number, since it is larger than the sum of its proper divisors (108391091).

16150250209 is a wasteful number, since it uses less digits than its factorization.

16150250209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108391090.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 16150250209 in words is "sixteen billion, one hundred fifty million, two hundred fifty thousand, two hundred nine".