1628812696 has 32 divisors (see below), whose sum is σ = 3674016000. Its totient is φ = 661322016.

The previous prime is 1628812693. The next prime is 1628812711. The reversal of 1628812696 is 6962188261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628812693) 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, 764356 + ... + 766483.

It is an arithmetic number, because the mean of its divisors is an integer number (114813000).

Almost surely, 2^1628812696 is an apocalyptic number.

It is an amenable number.

1628812696 is an abundant number, since it is smaller than the sum of its proper divisors (2045203304).

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

1628812696 is a wasteful number, since it uses less digits than its factorization.

1628812696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530871 (or 1530867 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 1628812696 is about 40358.5517084050. The cubic root of 1628812696 is about 1176.5861051006.

The spelling of 1628812696 in words is "one billion, six hundred twenty-eight million, eight hundred twelve thousand, six hundred ninety-six".