628016355 has 64 divisors (see below), whose sum is σ = 1166630400. Its totient is φ = 320215680.

The previous prime is 628016353. The next prime is 628016381. The reversal of 628016355 is 553610826.

It is not a de Polignac number, because 628016355 - 2¹ = 628016353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628016351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293640 + ... + 295770.

It is an arithmetic number, because the mean of its divisors is an integer number (18228600).

Almost surely, 2^628016355 is an apocalyptic number.

628016355 is a deficient number, since it is larger than the sum of its proper divisors (538614045).

628016355 is a wasteful number, since it uses less digits than its factorization.

628016355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 628016355 is about 25060.2544879337. The cubic root of 628016355 is about 856.3612050853.

The spelling of 628016355 in words is "six hundred twenty-eight million, sixteen thousand, three hundred fifty-five".