1628959216 has 10 divisors (see below), whose sum is σ = 3156108512. Its totient is φ = 814479600.

The previous prime is 1628959207. The next prime is 1628959219. The reversal of 1628959216 is 6129598261.

It is a self number, because there is not a number n which added to its sum of digits gives 1628959216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628959219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50904960 + ... + 50904991.

Almost surely, 2^1628959216 is an apocalyptic number.

1628959216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1628959216 is a deficient number, since it is larger than the sum of its proper divisors (1527149296).

1628959216 is a wasteful number, since it uses less digits than its factorization.

1628959216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101809959 (or 101809953 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 1628959216 is about 40360.3668962511. The cubic root of 1628959216 is about 1176.6213840142.

The spelling of 1628959216 in words is "one billion, six hundred twenty-eight million, nine hundred fifty-nine thousand, two hundred sixteen".