168335023550 has 48 divisors (see below), whose sum is σ = 328501843584. Its totient is φ = 64093680000.

The previous prime is 168335023517. The next prime is 168335023573. The reversal of 168335023550 is 55320533861.

It is a junction number, because it is equal to n+sod(n) for n = 168335023498 and 168335023507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795641 + ... + 984740.

It is an arithmetic number, because the mean of its divisors is an integer number (6843788408).

Almost surely, 2^168335023550 is an apocalyptic number.

168335023550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168335023550 is a deficient number, since it is larger than the sum of its proper divisors (160166820034).

168335023550 is a wasteful number, since it uses less digits than its factorization.

168335023550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780485 (or 1780480 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 168335023550 in words is "one hundred sixty-eight billion, three hundred thirty-five million, twenty-three thousand, five hundred fifty".