66950342432 has 24 divisors (see below), whose sum is σ = 132333635952. Its totient is φ = 33341800000.

The previous prime is 66950342369. The next prime is 66950342441. The reversal of 66950342432 is 23424305966.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159694 + ... + 4175757.

It is an arithmetic number, because the mean of its divisors is an integer number (5513901498).

Almost surely, 2^66950342432 is an apocalyptic number.

It is an amenable number.

66950342432 is a deficient number, since it is larger than the sum of its proper divisors (65383293520).

66950342432 is a wasteful number, since it uses less digits than its factorization.

66950342432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335712 (or 8335704 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 66950342432 in words is "sixty-six billion, nine hundred fifty million, three hundred forty-two thousand, four hundred thirty-two".