166167275340 has 96 divisors (see below), whose sum is σ = 511270631424. Its totient is φ = 39988917760.

The previous prime is 166167275327. The next prime is 166167275371. The reversal of 166167275340 is 43572761661.

It is a happy number.

166167275340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166167275340² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166167275340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828444 + ... + 1009283.

It is an arithmetic number, because the mean of its divisors is an integer number (5325735744).

Almost surely, 2^166167275340 is an apocalyptic number.

166167275340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166167275340 is an abundant number, since it is smaller than the sum of its proper divisors (345103356084).

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

166167275340 is a wasteful number, since it uses less digits than its factorization.

166167275340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837887 (or 1837885 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 166167275340 in words is "one hundred sixty-six billion, one hundred sixty-seven million, two hundred seventy-five thousand, three hundred forty".