66374230986 has 48 divisors (see below), whose sum is σ = 164569204800. Its totient is φ = 18939377664.

The previous prime is 66374230969. The next prime is 66374230987. The reversal of 66374230986 is 68903247366.

It is not an unprimeable number, because it can be changed into a prime (66374230987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245616 + ... + 439403.

It is an arithmetic number, because the mean of its divisors is an integer number (3428525100).

Almost surely, 2^66374230986 is an apocalyptic number.

66374230986 is an abundant number, since it is smaller than the sum of its proper divisors (98194973814).

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

66374230986 is a wasteful number, since it uses less digits than its factorization.

66374230986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685803 (or 685800 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 66374230986 in words is "sixty-six billion, three hundred seventy-four million, two hundred thirty thousand, nine hundred eighty-six".