168274905748 has 6 divisors (see below), whose sum is σ = 294481085066. Its totient is φ = 84137452872.

The previous prime is 168274905709. The next prime is 168274905763. The reversal of 168274905748 is 847509472861.

It can be written as a sum of positive squares in only one way, i.e., 163355005584 + 4919900164 = 404172^2 + 70142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21034363215 + ... + 21034363222.

Almost surely, 2^168274905748 is an apocalyptic number.

It is an amenable number.

168274905748 is a deficient number, since it is larger than the sum of its proper divisors (126206179318).

168274905748 is a wasteful number, since it uses less digits than its factorization.

168274905748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42068726441 (or 42068726439 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 168274905748 in words is "one hundred sixty-eight billion, two hundred seventy-four million, nine hundred five thousand, seven hundred forty-eight".