1609065948 has 24 divisors (see below), whose sum is σ = 4290842752. Its totient is φ = 459733104.

The previous prime is 1609065937. The next prime is 1609065961. The reversal of 1609065948 is 8495609061.

It is a junction number, because it is equal to n+sod(n) for n = 1609065897 and 1609065906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9577690 + ... + 9577857.

Almost surely, 2^1609065948 is an apocalyptic number.

It is an amenable number.

1609065948 is an abundant number, since it is smaller than the sum of its proper divisors (2681776804).

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

1609065948 is a wasteful number, since it uses less digits than its factorization.

1609065948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19155561 (or 19155559 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1609065948 is about 40113.1642730912. The cubic root of 1609065948 is about 1171.8120187194.

The spelling of 1609065948 in words is "one billion, six hundred nine million, sixty-five thousand, nine hundred forty-eight".