66358560760 has 64 divisors (see below), whose sum is σ = 151739010720. Its totient is φ = 26112092160.

The previous prime is 66358560743. The next prime is 66358560761. The reversal of 66358560760 is 6706585366.

It is a super-2 number, since 2×66358560760² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66358560698 and 66358560707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66358560761) 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, 2023212 + ... + 2055748.

Almost surely, 2^66358560760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66358560760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75869505360).

66358560760 is an abundant number, since it is smaller than the sum of its proper divisors (85380449960).

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

66358560760 is a wasteful number, since it uses less digits than its factorization.

66358560760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33376 (or 33372 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 66358560760 in words is "sixty-six billion, three hundred fifty-eight million, five hundred sixty thousand, seven hundred sixty".