153323216556 has 12 divisors (see below), whose sum is σ = 357754171992. Its totient is φ = 51107738848.

The previous prime is 153323216551. The next prime is 153323216569. The reversal of 153323216556 is 655612323351.

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

It is a super-2 number, since 2×153323216556² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153323216551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388467345 + ... + 6388467368.

It is an arithmetic number, because the mean of its divisors is an integer number (29812847666).

Almost surely, 2^153323216556 is an apocalyptic number.

It is an amenable number.

153323216556 is an abundant number, since it is smaller than the sum of its proper divisors (204430955436).

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

153323216556 is a wasteful number, since it uses less digits than its factorization.

153323216556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776934720 (or 12776934718 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The spelling of 153323216556 in words is "one hundred fifty-three billion, three hundred twenty-three million, two hundred sixteen thousand, five hundred fifty-six".