166036120120 has 64 divisors (see below), whose sum is σ = 402624512640. Its totient is φ = 61258982400.

The previous prime is 166036120109. The next prime is 166036120121. The reversal of 166036120120 is 21021630661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166036120121) 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, 566065 + ... + 807775.

It is an arithmetic number, because the mean of its divisors is an integer number (6291008010).

Almost surely, 2^166036120120 is an apocalyptic number.

166036120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166036120120 is an abundant number, since it is smaller than the sum of its proper divisors (236588392520).

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

166036120120 is a wasteful number, since it uses less digits than its factorization.

166036120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243056 (or 243052 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 166036120120 its reverse (21021630661), we get a palindrome (187057750781).

The spelling of 166036120120 in words is "one hundred sixty-six billion, thirty-six million, one hundred twenty thousand, one hundred twenty".