32166250504457 has 2 divisors, whose sum is σ = 32166250504458. Its totient is φ = 32166250504456.

The previous prime is 32166250504327. The next prime is 32166250504519. The reversal of 32166250504457 is 75440505266123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22765532712976 + 9400717791481 = 4771324^2 + 3066059^2 .

It is a cyclic number.

It is not a de Polignac number, because 32166250504457 - 2¹⁰ = 32166250503433 is a prime.

It is not a weakly prime, because it can be changed into another prime (32166250504757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16083125252228 + 16083125252229.

It is an arithmetic number, because the mean of its divisors is an integer number (16083125252229).

Almost surely, 2^{32166250504457} is an apocalyptic number.

It is an amenable number.

32166250504457 is a deficient number, since it is larger than the sum of its proper divisors (1).

32166250504457 is an equidigital number, since it uses as much as digits as its factorization.

32166250504457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 32166250504457 in words is "thirty-two trillion, one hundred sixty-six billion, two hundred fifty million, five hundred four thousand, four hundred fifty-seven".