66114352120 has 16 divisors (see below), whose sum is σ = 148757292360. Its totient is φ = 26445740832.

The previous prime is 66114352099. The next prime is 66114352169. The reversal of 66114352120 is 2125341166.

It is a happy number.

It is a super-2 number, since 2×66114352120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826429362 + ... + 826429441.

Almost surely, 2^66114352120 is an apocalyptic number.

It is an amenable number.

66114352120 is an abundant number, since it is smaller than the sum of its proper divisors (82642940240).

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

66114352120 is a wasteful number, since it uses less digits than its factorization.

66114352120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652858814 (or 1652858810 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 66114352120 its reverse (2125341166), we get a palindrome (68239693286).

The spelling of 66114352120 in words is "sixty-six billion, one hundred fourteen million, three hundred fifty-two thousand, one hundred twenty".