168942247430 has 16 divisors (see below), whose sum is σ = 331741140624. Its totient is φ = 61433544480.

The previous prime is 168942247423. The next prime is 168942247559. The reversal of 168942247430 is 34742249861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767919197 + ... + 767919416.

It is an arithmetic number, because the mean of its divisors is an integer number (20733821289).

Almost surely, 2^168942247430 is an apocalyptic number.

168942247430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168942247430 is a deficient number, since it is larger than the sum of its proper divisors (162798893194).

168942247430 is a wasteful number, since it uses less digits than its factorization.

168942247430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535838631.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 168942247430 in words is "one hundred sixty-eight billion, nine hundred forty-two million, two hundred forty-seven thousand, four hundred thirty".