66411448296 has 128 divisors (see below), whose sum is σ = 179677132800. Its totient is φ = 20384006400.

The previous prime is 66411448283. The next prime is 66411448303. The reversal of 66411448296 is 69284411466.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26032221 + ... + 26034771.

It is an arithmetic number, because the mean of its divisors is an integer number (1403727600).

Almost surely, 2^66411448296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66411448296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89838566400).

66411448296 is an abundant number, since it is smaller than the sum of its proper divisors (113265684504).

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

66411448296 is a wasteful number, since it uses less digits than its factorization.

66411448296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4155 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The spelling of 66411448296 in words is "sixty-six billion, four hundred eleven million, four hundred forty-eight thousand, two hundred ninety-six".