66003035740 has 24 divisors (see below), whose sum is σ = 141987020112. Its totient is φ = 25757281920.

The previous prime is 66003035737. The next prime is 66003035759. The reversal of 66003035740 is 4753030066.

It is a junction number, because it is equal to n+sod(n) for n = 66003035696 and 66003035705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40244934 + ... + 40246573.

It is an arithmetic number, because the mean of its divisors is an integer number (5916125838).

Almost surely, 2^66003035740 is an apocalyptic number.

It is an amenable number.

66003035740 is an abundant number, since it is smaller than the sum of its proper divisors (75983984372).

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

66003035740 is a wasteful number, since it uses less digits than its factorization.

66003035740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80491557 (or 80491555 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 66003035740 in words is "sixty-six billion, three million, thirty-five thousand, seven hundred forty".