66962426964 has 48 divisors (see below), whose sum is σ = 172629491328. Its totient is φ = 20094435328.

The previous prime is 66962426963. The next prime is 66962427001. The reversal of 66962426964 is 46962426966.

66962426964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66962426898 and 66962426907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66962426963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7131117 + ... + 7140500.

It is an arithmetic number, because the mean of its divisors is an integer number (3596447736).

Almost surely, 2^66962426964 is an apocalyptic number.

It is an amenable number.

66962426964 is an abundant number, since it is smaller than the sum of its proper divisors (105667064364).

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

66962426964 is a wasteful number, since it uses less digits than its factorization.

66962426964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271664 (or 14271662 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 60.

The spelling of 66962426964 in words is "sixty-six billion, nine hundred sixty-two million, four hundred twenty-six thousand, nine hundred sixty-four".