695655648 has 192 divisors, whose sum is σ = 2132766720. Its totient is φ = 220340736.

The previous prime is 695655647. The next prime is 695655671. The reversal of 695655648 is 846556596.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 695655594 and 695655603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695655647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502265 + ... + 1502727.

It is an arithmetic number, because the mean of its divisors is an integer number (11108160).

Almost surely, 2^695655648 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 695655648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066383360).

695655648 is an abundant number, since it is smaller than the sum of its proper divisors (1437111072).

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

695655648 is a wasteful number, since it uses less digits than its factorization.

695655648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 552 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The square root of 695655648 is about 26375.2847946709. The cubic root of 695655648 is about 886.0633469613.

The spelling of 695655648 in words is "six hundred ninety-five million, six hundred fifty-five thousand, six hundred forty-eight".