1609481552 has 40 divisors (see below), whose sum is σ = 3606810816. Its totient is φ = 681463296.

The previous prime is 1609481551. The next prime is 1609481567. The reversal of 1609481552 is 2551849061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609481551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77273 + ... + 95864.

Almost surely, 2^1609481552 is an apocalyptic number.

It is an amenable number.

1609481552 is an abundant number, since it is smaller than the sum of its proper divisors (1997329264).

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

1609481552 is a wasteful number, since it uses less digits than its factorization.

1609481552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173235 (or 173229 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1609481552 is about 40118.3443327364. The cubic root of 1609481552 is about 1171.9128987442.

The spelling of 1609481552 in words is "one billion, six hundred nine million, four hundred eighty-one thousand, five hundred fifty-two".