626091638163265 has 16 divisors (see below), whose sum is σ = 760946337942336. Its totient is φ = 494458339336000.

The previous prime is 626091638163259. The next prime is 626091638163281. The reversal of 626091638163265 is 562361836190626.

It is not a de Polignac number, because 626091638163265 - 2¹¹ = 626091638161217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 626091638163197 and 626091638163206.

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, 579265831 + ... + 580345660.

It is an arithmetic number, because the mean of its divisors is an integer number (47559146121396).

Almost surely, 2^{626091638163265} is an apocalyptic number.

It is an amenable number.

626091638163265 is a deficient number, since it is larger than the sum of its proper divisors (134854699779071).

626091638163265 is a wasteful number, since it uses less digits than its factorization.

626091638163265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159612880.

The product of its (nonzero) digits is 100776960, while the sum is 64.

The spelling of 626091638163265 in words is "six hundred twenty-six trillion, ninety-one billion, six hundred thirty-eight million, one hundred sixty-three thousand, two hundred sixty-five".