1653122316 has 12 divisors (see below), whose sum is σ = 3857285432. Its totient is φ = 551040768.

The previous prime is 1653122269. The next prime is 1653122327. The reversal of 1653122316 is 6132213561.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68880085 + ... + 68880108.

Almost surely, 2^1653122316 is an apocalyptic number.

It is an amenable number.

1653122316 is an abundant number, since it is smaller than the sum of its proper divisors (2204163116).

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

1653122316 is a wasteful number, since it uses less digits than its factorization.

1653122316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137760200 (or 137760198 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 1653122316 is about 40658.6069116983. The cubic root of 1653122316 is about 1182.4106411892.

Adding to 1653122316 its reverse (6132213561), we get a palindrome (7785335877).

The spelling of 1653122316 in words is "one billion, six hundred fifty-three million, one hundred twenty-two thousand, three hundred sixteen".