66032404536 has 64 divisors (see below), whose sum is σ = 189178260480. Its totient is φ = 18814976640.

The previous prime is 66032404499. The next prime is 66032404541. The reversal of 66032404536 is 63540423066.

It is a junction number, because it is equal to n+sod(n) for n = 66032404494 and 66032404503.

It is a congruent number.

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, 473835 + ... + 597146.

It is an arithmetic number, because the mean of its divisors is an integer number (2955910320).

Almost surely, 2^66032404536 is an apocalyptic number.

It is an amenable number.

66032404536 is an abundant number, since it is smaller than the sum of its proper divisors (123145855944).

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

66032404536 is a wasteful number, since it uses less digits than its factorization.

66032404536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071364 (or 1071360 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 66032404536 in words is "sixty-six billion, thirty-two million, four hundred four thousand, five hundred thirty-six".