66527475563000 has 64 divisors (see below), whose sum is σ = 157185693961920. Its totient is φ = 26352631056000.

The previous prime is 66527475562981. The next prime is 66527475563009. The reversal of 66527475563000 is 36557472566.

It is a happy number.

It is a super-3 number, since 3×66527475563000³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66527475563009) 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, 322845911 + ... + 323051910.

It is an arithmetic number, because the mean of its divisors is an integer number (2456026468155).

Almost surely, 2^{66527475563000} is an apocalyptic number.

It is an amenable number.

66527475563000 is an abundant number, since it is smaller than the sum of its proper divisors (90658218398920).

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

66527475563000 is a wasteful number, since it uses less digits than its factorization.

66527475563000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645897945 (or 645897931 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 56.

The spelling of 66527475563000 in words is "sixty-six trillion, five hundred twenty-seven billion, four hundred seventy-five million, five hundred sixty-three thousand".