201656022253 has 8 divisors (see below), whose sum is σ = 230488231680. Its totient is φ = 172829864400.

The previous prime is 201656022251. The next prime is 201656022301. The reversal of 201656022253 is 352220656102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201656022253 - 2¹ = 201656022251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201656022251) 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 7 ways as a sum of consecutive naturals, for example, 1441258 + ... + 1574971.

It is an arithmetic number, because the mean of its divisors is an integer number (28811028960).

Almost surely, 2^201656022253 is an apocalyptic number.

It is an amenable number.

201656022253 is a deficient number, since it is larger than the sum of its proper divisors (28832209427).

201656022253 is an equidigital number, since it uses as much as digits as its factorization.

201656022253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025787.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 201656022253 its reverse (352220656102), we get a palindrome (553876678355).

The spelling of 201656022253 in words is "two hundred one billion, six hundred fifty-six million, twenty-two thousand, two hundred fifty-three".