66010150100 has 18 divisors (see below), whose sum is σ = 143242025934. Its totient is φ = 26404060000.

The previous prime is 66010150069. The next prime is 66010150123. The reversal of 66010150100 is 105101066.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 563207824 + 65446942276 = 23732^2 + 255826^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 330050651 + ... + 330050850.

Almost surely, 2^66010150100 is an apocalyptic number.

It is an amenable number.

66010150100 is an abundant number, since it is smaller than the sum of its proper divisors (77231875834).

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

66010150100 is a wasteful number, since it uses less digits than its factorization.

66010150100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660101515 (or 660101508 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 66010150100 its reverse (105101066), we get a palindrome (66115251166).

The spelling of 66010150100 in words is "sixty-six billion, ten million, one hundred fifty thousand, one hundred".