168092608564 has 6 divisors (see below), whose sum is σ = 294162064994. Its totient is φ = 84046304280.

The previous prime is 168092608547. The next prime is 168092608583. The reversal of 168092608564 is 465806290861.

It can be written as a sum of positive squares in only one way, i.e., 111015576100 + 57077032464 = 333190^2 + 238908^2 .

It is a super-2 number, since 2×168092608564² (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 as a sum of consecutive naturals, namely, 21011576067 + ... + 21011576074.

Almost surely, 2^168092608564 is an apocalyptic number.

It is an amenable number.

168092608564 is a deficient number, since it is larger than the sum of its proper divisors (126069456430).

168092608564 is a wasteful number, since it uses less digits than its factorization.

168092608564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42023152145 (or 42023152143 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 168092608564 in words is "one hundred sixty-eight billion, ninety-two million, six hundred eight thousand, five hundred sixty-four".