628149616 has 10 divisors (see below), whose sum is σ = 1217039912. Its totient is φ = 314074800.

The previous prime is 628149569. The next prime is 628149631. The reversal of 628149616 is 616941826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19629660 + ... + 19629691.

Almost surely, 2^628149616 is an apocalyptic number.

It is an amenable number.

628149616 is a deficient number, since it is larger than the sum of its proper divisors (588890296).

628149616 is a wasteful number, since it uses less digits than its factorization.

628149616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39259359 (or 39259353 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 628149616 is about 25062.9131586893. The cubic root of 628149616 is about 856.4217722339.

The spelling of 628149616 in words is "six hundred twenty-eight million, one hundred forty-nine thousand, six hundred sixteen".