1609152272 has 80 divisors (see below), whose sum is σ = 4062989952. Its totient is φ = 599132160.

The previous prime is 1609152241. The next prime is 1609152331. The reversal of 1609152272 is 2722519061.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754 + ... + 57257.

Almost surely, 2^1609152272 is an apocalyptic number.

It is an amenable number.

1609152272 is an abundant number, since it is smaller than the sum of its proper divisors (2453837680).

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

1609152272 is a wasteful number, since it uses less digits than its factorization.

1609152272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65056 (or 65050 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1609152272 is about 40114.2402645245. The cubic root of 1609152272 is about 1171.8329736699.

The spelling of 1609152272 in words is "one billion, six hundred nine million, one hundred fifty-two thousand, two hundred seventy-two".