168861171430 has 16 divisors (see below), whose sum is σ = 347371552800. Its totient is φ = 57895258752.

The previous prime is 168861171371. The next prime is 168861171439. The reversal of 168861171430 is 34171168861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168861171439) 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, 1206151155 + ... + 1206151294.

It is an arithmetic number, because the mean of its divisors is an integer number (21710722050).

Almost surely, 2^168861171430 is an apocalyptic number.

168861171430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168861171430 is an abundant number, since it is smaller than the sum of its proper divisors (178510381370).

168861171430 is a wasteful number, since it uses less digits than its factorization.

168861171430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412302463.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 168861171430 in words is "one hundred sixty-eight billion, eight hundred sixty-one million, one hundred seventy-one thousand, four hundred thirty".