1609916094 has 64 divisors (see below), whose sum is σ = 3791520000. Its totient is φ = 504934560.

The previous prime is 1609916093. The next prime is 1609916101. The reversal of 1609916094 is 4906199061.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609916093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147609 + ... + 158139.

It is an arithmetic number, because the mean of its divisors is an integer number (59242500).

Almost surely, 2^1609916094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1609916094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895760000).

1609916094 is an abundant number, since it is smaller than the sum of its proper divisors (2181603906).

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

1609916094 is a wasteful number, since it uses less digits than its factorization.

1609916094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710 (or 10704 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1609916094 is about 40123.7597191490. The cubic root of 1609916094 is about 1172.0183570414.

The spelling of 1609916094 in words is "one billion, six hundred nine million, nine hundred sixteen thousand, ninety-four".