1695887648 has 144 divisors (see below), whose sum is σ = 4211754624. Its totient is φ = 666247680.

The previous prime is 1695887647. The next prime is 1695887659. The reversal of 1695887648 is 8467885961.

It is not an unprimeable number, because it can be changed into a prime (1695887647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5523911 + ... + 5524217.

It is an arithmetic number, because the mean of its divisors is an integer number (29248296).

Almost surely, 2^1695887648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1695887648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105877312).

1695887648 is an abundant number, since it is smaller than the sum of its proper divisors (2515866976).

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

1695887648 is a wasteful number, since it uses less digits than its factorization.

1695887648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 600 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 62.

The square root of 1695887648 is about 41181.1564674913. The cubic root of 1695887648 is about 1192.5200574428.

The spelling of 1695887648 in words is "one billion, six hundred ninety-five million, eight hundred eighty-seven thousand, six hundred forty-eight".