168464347775 has 48 divisors (see below), whose sum is σ = 216869452800. Its totient is φ = 129739916160.

The previous prime is 168464347763. The next prime is 168464347783. The reversal of 168464347775 is 577743464861.

It is not a de Polignac number, because 168464347775 - 2¹² = 168464343679 is a prime.

It is a super-2 number, since 2×168464347775² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17797694 + ... + 17807156.

It is an arithmetic number, because the mean of its divisors is an integer number (4518113600).

Almost surely, 2^168464347775 is an apocalyptic number.

168464347775 is a deficient number, since it is larger than the sum of its proper divisors (48405105025).

168464347775 is a wasteful number, since it uses less digits than its factorization.

168464347775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768 (or 9763 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 62.

The spelling of 168464347775 in words is "one hundred sixty-eight billion, four hundred sixty-four million, three hundred forty-seven thousand, seven hundred seventy-five".