166751120144 has 40 divisors (see below), whose sum is σ = 369372400320. Its totient is φ = 71438099328.

The previous prime is 166751120101. The next prime is 166751120149. The reversal of 166751120144 is 441021157661.

It is a junction number, because it is equal to n+sod(n) for n = 166751120098 and 166751120107.

It is not an unprimeable number, because it can be changed into a prime (166751120149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25187 + ... + 578045.

It is an arithmetic number, because the mean of its divisors is an integer number (9234310008).

Almost surely, 2^166751120144 is an apocalyptic number.

166751120144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166751120144 is an abundant number, since it is smaller than the sum of its proper divisors (202621280176).

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

166751120144 is a wasteful number, since it uses less digits than its factorization.

166751120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555567 (or 555561 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 166751120144 in words is "one hundred sixty-six billion, seven hundred fifty-one million, one hundred twenty thousand, one hundred forty-four".