66061165052 has 48 divisors (see below), whose sum is σ = 119328168960. Its totient is φ = 31981969152.

The previous prime is 66061164989. The next prime is 66061165067. The reversal of 66061165052 is 25056116066.

It is a junction number, because it is equal to n+sod(n) for n = 66061164997 and 66061165015.

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, 10372373 + ... + 10378739.

It is an arithmetic number, because the mean of its divisors is an integer number (2486003520).

Almost surely, 2^66061165052 is an apocalyptic number.

It is an amenable number.

66061165052 is a deficient number, since it is larger than the sum of its proper divisors (53267003908).

66061165052 is a wasteful number, since it uses less digits than its factorization.

66061165052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930 (or 6928 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 66061165052 in words is "sixty-six billion, sixty-one million, one hundred sixty-five thousand, fifty-two".