21075366233632 has 96 divisors (see below), whose sum is σ = 42448853551104. Its totient is φ = 10297979577600.

The previous prime is 21075366233629. The next prime is 21075366233639. The reversal of 21075366233632 is 23633266357012.

It is a super-2 number, since 2×21075366233632² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21075366233639) 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, 108110713 + ... + 108305479.

It is an arithmetic number, because the mean of its divisors is an integer number (442175557824).

Almost surely, 2^{21075366233632} is an apocalyptic number.

It is an amenable number.

21075366233632 is an abundant number, since it is smaller than the sum of its proper divisors (21373487317472).

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

21075366233632 is a wasteful number, since it uses less digits than its factorization.

21075366233632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195302 (or 195294 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 49.

The spelling of 21075366233632 in words is "twenty-one trillion, seventy-five billion, three hundred sixty-six million, two hundred thirty-three thousand, six hundred thirty-two".