1608320292 has 48 divisors (see below), whose sum is σ = 4080908160. Its totient is φ = 490931712.

The previous prime is 1608320291. The next prime is 1608320293. The reversal of 1608320292 is 2920238061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1608320291) and next prime (1608320293).

It is not an unprimeable number, because it can be changed into a prime (1608320291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98992 + ... + 114087.

It is an arithmetic number, because the mean of its divisors is an integer number (85018920).

Almost surely, 2^1608320292 is an apocalyptic number.

1608320292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1608320292 is an abundant number, since it is smaller than the sum of its proper divisors (2472587868).

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

1608320292 is a wasteful number, since it uses less digits than its factorization.

1608320292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213140 (or 213138 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1608320292 is about 40103.8687909284. The cubic root of 1608320292 is about 1171.6309812528.

The spelling of 1608320292 in words is "one billion, six hundred eight million, three hundred twenty thousand, two hundred ninety-two".