51166588222790 has 32 divisors (see below), whose sum is σ = 92216050676640. Its totient is φ = 20440817469184.

The previous prime is 51166588222751. The next prime is 51166588222793. The reversal of 51166588222790 is 9722288566115.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166588222793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168498416 + ... + 168801804.

It is an arithmetic number, because the mean of its divisors is an integer number (2881751583645).

Almost surely, 2^{51166588222790} is an apocalyptic number.

51166588222790 is a deficient number, since it is larger than the sum of its proper divisors (41049462453850).

51166588222790 is a wasteful number, since it uses less digits than its factorization.

51166588222790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324616.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 51166588222790 in words is "fifty-one trillion, one hundred sixty-six billion, five hundred eighty-eight million, two hundred twenty-two thousand, seven hundred ninety".