66151842702 has 32 divisors (see below), whose sum is σ = 150606570240. Its totient is φ = 19174446720.

The previous prime is 66151842619. The next prime is 66151842703. The reversal of 66151842702 is 20724815166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66151842703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21787627 + ... + 21790662.

It is an arithmetic number, because the mean of its divisors is an integer number (4706455320).

Almost surely, 2^66151842702 is an apocalyptic number.

66151842702 is an abundant number, since it is smaller than the sum of its proper divisors (84454727538).

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

66151842702 is a wasteful number, since it uses less digits than its factorization.

66151842702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43578328.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 66151842702 in words is "sixty-six billion, one hundred fifty-one million, eight hundred forty-two thousand, seven hundred two".