1653955397224 has 64 divisors (see below), whose sum is σ = 3405773952000. Its totient is φ = 748291205376.

The previous prime is 1653955397219. The next prime is 1653955397279. The reversal of 1653955397224 is 4227935593561.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6056377 + ... + 6323575.

It is an arithmetic number, because the mean of its divisors is an integer number (53215218000).

Almost surely, 2^{1653955397224} 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 1653955397224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702886976000).

1653955397224 is an abundant number, since it is smaller than the sum of its proper divisors (1751818554776).

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

1653955397224 is a wasteful number, since it uses less digits than its factorization.

1653955397224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268394 (or 268390 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 61.

The spelling of 1653955397224 in words is "one trillion, six hundred fifty-three billion, nine hundred fifty-five million, three hundred ninety-seven thousand, two hundred twenty-four".