166312759740 has 24 divisors (see below), whose sum is σ = 465675727440. Its totient is φ = 44350069248.

The previous prime is 166312759733. The next prime is 166312759741. The reversal of 166312759740 is 47957213661.

166312759740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166312759741) 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, 1385939605 + ... + 1385939724.

It is an arithmetic number, because the mean of its divisors is an integer number (19403155310).

Almost surely, 2^166312759740 is an apocalyptic number.

166312759740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166312759740 is an abundant number, since it is smaller than the sum of its proper divisors (299362967700).

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

166312759740 is a wasteful number, since it uses less digits than its factorization.

166312759740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771879341 (or 2771879339 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 166312759740 in words is "one hundred sixty-six billion, three hundred twelve million, seven hundred fifty-nine thousand, seven hundred forty".