1628873016 has 64 divisors (see below), whose sum is σ = 4134304800. Its totient is φ = 534724608.

The previous prime is 1628873011. The next prime is 1628873093. The reversal of 1628873016 is 6103788261.

1628873016 = 4234² + 4235² + ... + 4322².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628873011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590296 + ... + 593048.

Almost surely, 2^1628873016 is an apocalyptic number.

It is an amenable number.

1628873016 is an abundant number, since it is smaller than the sum of its proper divisors (2505431784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1628873016 is a wasteful number, since it uses less digits than its factorization.

1628873016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1628873016 is about 40359.2990028320. The cubic root of 1628873016 is about 1176.6006291356.

The spelling of 1628873016 in words is "one billion, six hundred twenty-eight million, eight hundred seventy-three thousand, sixteen".