512421166422454 has 32 divisors (see below), whose sum is σ = 858467824588800. Its totient is φ = 227970899809920.

The previous prime is 512421166422449. The next prime is 512421166422463. The reversal of 512421166422454 is 454224661124215.

It is a junction number, because it is equal to n+sod(n) for n = 512421166422398 and 512421166422407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827688082 + ... + 828306949.

It is an arithmetic number, because the mean of its divisors is an integer number (26827119518400).

Almost surely, 2^{512421166422454} is an apocalyptic number.

512421166422454 is a deficient number, since it is larger than the sum of its proper divisors (346046658166346).

512421166422454 is a wasteful number, since it uses less digits than its factorization.

512421166422454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655995548.

The product of its digits is 3686400, while the sum is 49.

The spelling of 512421166422454 in words is "five hundred twelve trillion, four hundred twenty-one billion, one hundred sixty-six million, four hundred twenty-two thousand, four hundred fifty-four".