628016271 has 8 divisors (see below), whose sum is σ = 837504384. Its totient is φ = 418602840.

The previous prime is 628016231. The next prime is 628016273. The reversal of 628016271 is 172610826.

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

It is not a de Polignac number, because 628016271 - 2¹⁰ = 628015247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628016273) 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, 5380 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (104688048).

Almost surely, 2^628016271 is an apocalyptic number.

628016271 is a deficient number, since it is larger than the sum of its proper divisors (209488113).

628016271 is a wasteful number, since it uses less digits than its factorization.

628016271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37341.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 628016271 is about 25060.2528119730. The cubic root of 628016271 is about 856.3611669046.

The spelling of 628016271 in words is "six hundred twenty-eight million, sixteen thousand, two hundred seventy-one".