66167056120 has 32 divisors (see below), whose sum is σ = 162410047920. Its totient is φ = 24060747520.

The previous prime is 66167056091. The next prime is 66167056129. The reversal of 66167056120 is 2165076166.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66167056129) 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 7 ways as a sum of consecutive naturals, for example, 75189397 + ... + 75190276.

Almost surely, 2^66167056120 is an apocalyptic number.

It is an amenable number.

66167056120 is an abundant number, since it is smaller than the sum of its proper divisors (96242991800).

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

66167056120 is a wasteful number, since it uses less digits than its factorization.

66167056120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150379695 (or 150379691 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 66167056120 in words is "sixty-six billion, one hundred sixty-seven million, fifty-six thousand, one hundred twenty".