66002606240 has 48 divisors (see below), whose sum is σ = 156524151168. Its totient is φ = 26300641536.

The previous prime is 66002606221. The next prime is 66002606281. The reversal of 66002606240 is 4260620066.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 66002606197 and 66002606206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742172 + ... + 826331.

It is an arithmetic number, because the mean of its divisors is an integer number (3260919816).

Almost surely, 2^66002606240 is an apocalyptic number.

It is an amenable number.

66002606240 is an abundant number, since it is smaller than the sum of its proper divisors (90521544928).

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

66002606240 is a wasteful number, since it uses less digits than its factorization.

66002606240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568781 (or 1568773 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 66002606240 in words is "sixty-six billion, two million, six hundred six thousand, two hundred forty".