66407733150 has 96 divisors (see below), whose sum is σ = 189119145600. Its totient is φ = 15251529600.

The previous prime is 66407733149. The next prime is 66407733151. The reversal of 66407733150 is 5133770466.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66407733149) and next prime (66407733151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66407733151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1027785 + ... + 1090484.

It is an arithmetic number, because the mean of its divisors is an integer number (1969991100).

Almost surely, 2^66407733150 is an apocalyptic number.

66407733150 is an abundant number, since it is smaller than the sum of its proper divisors (122711412450).

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

66407733150 is a wasteful number, since it uses less digits than its factorization.

66407733150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118314 (or 2118309 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 66407733150 in words is "sixty-six billion, four hundred seven million, seven hundred thirty-three thousand, one hundred fifty".