66060576 has 96 divisors (see below), whose sum is σ = 194302080. Its totient is φ = 21835008.

The previous prime is 66060563. The next prime is 66060583. The reversal of 66060576 is 67506066.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 66060576.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135405 + ... + 135891.

It is an arithmetic number, because the mean of its divisors is an integer number (2023980).

Almost surely, 2^66060576 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 66060576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97151040).

66060576 is an abundant number, since it is smaller than the sum of its proper divisors (128241504).

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

66060576 is a wasteful number, since it uses less digits than its factorization.

66060576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 66060576 is about 8127.7657446558. The cubic root of 66060576 is about 404.2476017082.

The spelling of 66060576 in words is "sixty-six million, sixty thousand, five hundred seventy-six".