1602991104 has 352 divisors, whose sum is σ = 5199707520. Its totient is φ = 432537600.

The previous prime is 1602991051. The next prime is 1602991111. The reversal of 1602991104 is 4011992061.

It is a tau number, because it is divible by the number of its divisors (352).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18011092 + ... + 18011180.

Almost surely, 2^1602991104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1602991104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599853760).

1602991104 is an abundant number, since it is smaller than the sum of its proper divisors (3596716416).

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

1602991104 is a wasteful number, since it uses less digits than its factorization.

1602991104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1602991104 is about 40037.3713422847. The cubic root of 1602991104 is about 1170.3354783468.

The spelling of 1602991104 in words is "one billion, six hundred two million, nine hundred ninety-one thousand, one hundred four".