66822343470 has 64 divisors (see below), whose sum is σ = 180852560640. Its totient is φ = 17553327264.

The previous prime is 66822343459. The next prime is 66822343519. The reversal of 66822343470 is 7434322866.

66822343470 is a `hidden beast` number, since 66 + 82 + 2 + 3 + 43 + 470 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 1828852 + ... + 1865031.

It is an arithmetic number, because the mean of its divisors is an integer number (2825821260).

Almost surely, 2^66822343470 is an apocalyptic number.

66822343470 is an abundant number, since it is smaller than the sum of its proper divisors (114030217170).

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

66822343470 is a wasteful number, since it uses less digits than its factorization.

66822343470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693966 (or 3693960 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 66822343470 in words is "sixty-six billion, eight hundred twenty-two million, three hundred forty-three thousand, four hundred seventy".