66426366000 has 160 divisors (see below), whose sum is σ = 221067565056. Its totient is φ = 17142240000.

The previous prime is 66426365977. The next prime is 66426366053. The reversal of 66426366000 is 66362466.

It is a self number, because there is not a number n which added to its sum of digits gives 66426366000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7435 + ... + 364565.

Almost surely, 2^66426366000 is an apocalyptic number.

66426366000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66426366000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110533782528).

66426366000 is an abundant number, since it is smaller than the sum of its proper divisors (154641199056).

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

66426366000 is a wasteful number, since it uses less digits than its factorization.

66426366000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357188 (or 357172 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 66426366000 in words is "sixty-six billion, four hundred twenty-six million, three hundred sixty-six thousand".