66546413152 has 48 divisors (see below), whose sum is σ = 131988809232. Its totient is φ = 33026368000.

The previous prime is 66546413119. The next prime is 66546413161. The reversal of 66546413152 is 25131464566.

It is a junction number, because it is equal to n+sod(n) for n = 66546413099 and 66546413108.

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, 2339238 + ... + 2367514.

It is an arithmetic number, because the mean of its divisors is an integer number (2749766859).

Almost surely, 2^66546413152 is an apocalyptic number.

It is an amenable number.

66546413152 is a deficient number, since it is larger than the sum of its proper divisors (65442396080).

66546413152 is a wasteful number, since it uses less digits than its factorization.

66546413152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28831 (or 28823 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 66546413152 in words is "sixty-six billion, five hundred forty-six million, four hundred thirteen thousand, one hundred fifty-two".