66201351834 has 8 divisors (see below), whose sum is σ = 132402703680. Its totient is φ = 22067117276.

The previous prime is 66201351833. The next prime is 66201351871. The reversal of 66201351834 is 43815310266.

It is a sphenic number, since it is the product of 3 distinct primes.

66201351834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66201351792 and 66201351801.

It is not an unprimeable number, because it can be changed into a prime (66201351833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516779314 + ... + 5516779325.

It is an arithmetic number, because the mean of its divisors is an integer number (16550337960).

Almost surely, 2^66201351834 is an apocalyptic number.

66201351834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66201351834 is a wasteful number, since it uses less digits than its factorization.

66201351834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033558644.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 66201351834 in words is "sixty-six billion, two hundred one million, three hundred fifty-one thousand, eight hundred thirty-four".