1608090250 has 64 divisors (see below), whose sum is σ = 3275973792. Its totient is φ = 587520000.

The previous prime is 1608090247. The next prime is 1608090257. The reversal of 1608090250 is 520908061.

It can be written as a sum of positive squares in 16 ways, for example, as 853983729 + 754106521 = 29223^2 + 27461^2 .

It is not an unprimeable number, because it can be changed into a prime (1608090257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312700 + ... + 317800.

Almost surely, 2^1608090250 is an apocalyptic number.

1608090250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1608090250 is an abundant number, since it is smaller than the sum of its proper divisors (1667883542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1608090250 is a wasteful number, since it uses less digits than its factorization.

1608090250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228 (or 5218 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1608090250 is about 40101.0006109573. Note that the first 3 decimals coincide. The cubic root of 1608090250 is about 1171.5751181707.

The spelling of 1608090250 in words is "one billion, six hundred eight million, ninety thousand, two hundred fifty".