51662327620263 has 16 divisors (see below), whose sum is σ = 70850243608320. Its totient is φ = 33466281859584.

The previous prime is 51662327620259. The next prime is 51662327620273. The reversal of 51662327620263 is 36202672326615.

It is not a de Polignac number, because 51662327620263 - 2² = 51662327620259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51662327620273) 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, 1037496243 + ... + 1037546036.

It is an arithmetic number, because the mean of its divisors is an integer number (4428140225520).

Almost surely, 2^{51662327620263} is an apocalyptic number.

51662327620263 is a deficient number, since it is larger than the sum of its proper divisors (19187915988057).

51662327620263 is a wasteful number, since it uses less digits than its factorization.

51662327620263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075042518.

The product of its (nonzero) digits is 6531840, while the sum is 51.

Adding to 51662327620263 its reverse (36202672326615), we get a palindrome (87864999946878).

The spelling of 51662327620263 in words is "fifty-one trillion, six hundred sixty-two billion, three hundred twenty-seven million, six hundred twenty thousand, two hundred sixty-three".