66840967150 has 12 divisors (see below), whose sum is σ = 124324198992. Its totient is φ = 26736386840.

The previous prime is 66840967147. The next prime is 66840967169. The reversal of 66840967150 is 5176904866.

66840967150 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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 668409622 + ... + 668409721.

It is an arithmetic number, because the mean of its divisors is an integer number (10360349916).

Almost surely, 2^66840967150 is an apocalyptic number.

66840967150 is a deficient number, since it is larger than the sum of its proper divisors (57483231842).

66840967150 is a wasteful number, since it uses less digits than its factorization.

66840967150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336819355 (or 1336819350 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 66840967150 in words is "sixty-six billion, eight hundred forty million, nine hundred sixty-seven thousand, one hundred fifty".