168273809762564 has 12 divisors (see below), whose sum is σ = 321250000455888. Its totient is φ = 76488095346600.

The previous prime is 168273809762497. The next prime is 168273809762573. The reversal of 168273809762564 is 465267908372861.

It is a junction number, because it is equal to n+sod(n) for n = 168273809762491 and 168273809762500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912202383622 + ... + 1912202383709.

It is an arithmetic number, because the mean of its divisors is an integer number (26770833371324).

It is a 1-persistent number, because it is pandigital, but 2⋅168273809762564 = 336547619525128 is not.

Almost surely, 2^{168273809762564} is an apocalyptic number.

It is an amenable number.

168273809762564 is a deficient number, since it is larger than the sum of its proper divisors (152976190693324).

168273809762564 is a wasteful number, since it uses less digits than its factorization.

168273809762564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824404767346 (or 3824404767344 counting only the distinct ones).

The product of its (nonzero) digits is 1463132160, while the sum is 74.

The spelling of 168273809762564 in words is "one hundred sixty-eight trillion, two hundred seventy-three billion, eight hundred nine million, seven hundred sixty-two thousand, five hundred sixty-four".