66462226401 has 8 divisors (see below), whose sum is σ = 89105895424. Its totient is φ = 44063354160.

The previous prime is 66462226343. The next prime is 66462226403. The reversal of 66462226401 is 10462226466.

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

It is not a de Polignac number, because 66462226401 - 2³³ = 57872291809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66462226401.

It is not an unprimeable number, because it can be changed into a prime (66462226403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61198561 + ... + 61199646.

It is an arithmetic number, because the mean of its divisors is an integer number (11138236928).

Almost surely, 2^66462226401 is an apocalyptic number.

It is an amenable number.

66462226401 is a deficient number, since it is larger than the sum of its proper divisors (22643669023).

66462226401 is a wasteful number, since it uses less digits than its factorization.

66462226401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122398391.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 66462226401 in words is "sixty-six billion, four hundred sixty-two million, two hundred twenty-six thousand, four hundred one".