168537745384 has 16 divisors (see below), whose sum is σ = 326202088320. Its totient is φ = 81550521840.

The previous prime is 168537745381. The next prime is 168537745417. The reversal of 168537745384 is 483547735861.

It is not an unprimeable number, because it can be changed into a prime (168537745381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339793594 + ... + 339794089.

It is an arithmetic number, because the mean of its divisors is an integer number (20387630520).

Almost surely, 2^168537745384 is an apocalyptic number.

It is an amenable number.

168537745384 is a deficient number, since it is larger than the sum of its proper divisors (157664342936).

168537745384 is a wasteful number, since it uses less digits than its factorization.

168537745384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679587720 (or 679587716 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 61.

The spelling of 168537745384 in words is "one hundred sixty-eight billion, five hundred thirty-seven million, seven hundred forty-five thousand, three hundred eighty-four".