66541048252 has 24 divisors (see below), whose sum is σ = 133355393024. Its totient is φ = 28459028592.

The previous prime is 66541048229. The next prime is 66541048267. The reversal of 66541048252 is 25284014566.

It is a super-2 number, since 2×66541048252² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66541048199 and 66541048208.

It is a congruent number.

It is an unprimeable number.

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, 2426268 + ... + 2453539.

Almost surely, 2^66541048252 is an apocalyptic number.

It is an amenable number.

66541048252 is an abundant number, since it is smaller than the sum of its proper divisors (66814344772).

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

66541048252 is a wasteful number, since it uses less digits than its factorization.

66541048252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880305 (or 4880303 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 66541048252 in words is "sixty-six billion, five hundred forty-one million, forty-eight thousand, two hundred fifty-two".