1699919968 has 48 divisors (see below), whose sum is σ = 3636541440. Its totient is φ = 779241600.

The previous prime is 1699919953. The next prime is 1699919993. The reversal of 1699919968 is 8699199961.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26248 + ... + 63943.

It is an arithmetic number, because the mean of its divisors is an integer number (75761280).

Almost surely, 2^1699919968 is an apocalyptic number.

It is an amenable number.

1699919968 is an abundant number, since it is smaller than the sum of its proper divisors (1936621472).

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

1699919968 is a wasteful number, since it uses less digits than its factorization.

1699919968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90251 (or 90243 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 67.

The square root of 1699919968 is about 41230.0857141966. The cubic root of 1699919968 is about 1193.4644628399.

The spelling of 1699919968 in words is "one billion, six hundred ninety-nine million, nine hundred nineteen thousand, nine hundred sixty-eight".