627649163 has 8 divisors (see below), whose sum is σ = 665712432. Its totient is φ = 589712896.

The previous prime is 627649153. The next prime is 627649171. The reversal of 627649163 is 361946726.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 627649163 - 2²⁸ = 359213707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627649103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21470 + ... + 41427.

It is an arithmetic number, because the mean of its divisors is an integer number (83214054).

Almost surely, 2^627649163 is an apocalyptic number.

627649163 is a deficient number, since it is larger than the sum of its proper divisors (38063269).

627649163 is a wasteful number, since it uses less digits than its factorization.

627649163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63501.

The product of its digits is 326592, while the sum is 44.

The square root of 627649163 is about 25052.9272341577. The cubic root of 627649163 is about 856.1942719125.

The spelling of 627649163 in words is "six hundred twenty-seven million, six hundred forty-nine thousand, one hundred sixty-three".