66876120 has 48 divisors (see below), whose sum is σ = 217348560. Its totient is φ = 17833536.

The previous prime is 66876109. The next prime is 66876127. The reversal of 66876120 is 2167866.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66876127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92524 + ... + 93243.

It is an arithmetic number, because the mean of its divisors is an integer number (4528095).

Almost surely, 2^66876120 is an apocalyptic number.

66876120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66876120 is an abundant number, since it is smaller than the sum of its proper divisors (150472440).

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

66876120 is a wasteful number, since it uses less digits than its factorization.

66876120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185784 (or 185777 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 66876120 is about 8177.7820954095. The cubic root of 66876120 is about 405.9043349227.

The spelling of 66876120 in words is "sixty-six million, eight hundred seventy-six thousand, one hundred twenty".