66001887342 has 16 divisors (see below), whose sum is σ = 146670860880. Its totient is φ = 22000629096.

The previous prime is 66001887323. The next prime is 66001887349. The reversal of 66001887342 is 24378810066.

66001887342 is a `hidden beast` number, since 6 + 600 + 1 + 8 + 8 + 7 + 34 + 2 = 666.

66001887342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66001887349) 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, 611128533 + ... + 611128640.

It is an arithmetic number, because the mean of its divisors is an integer number (9166928805).

Almost surely, 2^66001887342 is an apocalyptic number.

66001887342 is an abundant number, since it is smaller than the sum of its proper divisors (80668973538).

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

66001887342 is a wasteful number, since it uses less digits than its factorization.

66001887342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222257184 (or 1222257178 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 66001887342 in words is "sixty-six billion, one million, eight hundred eighty-seven thousand, three hundred forty-two".