1604116722 has 32 divisors (see below), whose sum is σ = 3548405952. Its totient is φ = 480233664.

The previous prime is 1604116711. The next prime is 1604116729. The reversal of 1604116722 is 2276114061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604116722.

It is not an unprimeable number, because it can be changed into a prime (1604116729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275028 + ... + 280799.

It is an arithmetic number, because the mean of its divisors is an integer number (110887686).

Almost surely, 2^1604116722 is an apocalyptic number.

1604116722 is an abundant number, since it is smaller than the sum of its proper divisors (1944289230).

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

1604116722 is a wasteful number, since it uses less digits than its factorization.

1604116722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555882.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1604116722 is about 40051.4259671238. The cubic root of 1604116722 is about 1170.6093502043.

The spelling of 1604116722 in words is "one billion, six hundred four million, one hundred sixteen thousand, seven hundred twenty-two".