168648735073743 has 6 divisors (see below), whose sum is σ = 243603728439864. Its totient is φ = 112432490049156.

The previous prime is 168648735073727. The next prime is 168648735073759. The reversal of 168648735073743 is 347370537846861.

168648735073743 is a `hidden beast` number, since 1 + 6 + 8 + 6 + 4 + 8 + 73 + 507 + 3 + 7 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (168648735073727) and next prime (168648735073759).

It is not a de Polignac number, because 168648735073743 - 2⁴ = 168648735073727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168648735073783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9369374170755 + ... + 9369374170772.

It is an arithmetic number, because the mean of its divisors is an integer number (40600621406644).

Almost surely, 2^{168648735073743} is an apocalyptic number.

168648735073743 is a deficient number, since it is larger than the sum of its proper divisors (74954993366121).

168648735073743 is a wasteful number, since it uses less digits than its factorization.

168648735073743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738748341533 (or 18738748341530 counting only the distinct ones).

The product of its (nonzero) digits is 1706987520, while the sum is 72.

The spelling of 168648735073743 in words is "one hundred sixty-eight trillion, six hundred forty-eight billion, seven hundred thirty-five million, seventy-three thousand, seven hundred forty-three".