696066064 has 80 divisors (see below), whose sum is σ = 1476334080. Its totient is φ = 316707840.

The previous prime is 696066053. The next prime is 696066067. The reversal of 696066064 is 460660696.

It is a self number, because there is not a number n which added to its sum of digits gives 696066064.

It is not an unprimeable number, because it can be changed into a prime (696066067) 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 15 ways as a sum of consecutive naturals, for example, 2195634 + ... + 2195950.

It is an arithmetic number, because the mean of its divisors is an integer number (18454176).

Almost surely, 2^696066064 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 696066064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738167040).

696066064 is an abundant number, since it is smaller than the sum of its proper divisors (780268016).

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

696066064 is a wasteful number, since it uses less digits than its factorization.

696066064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 696066064 is about 26383.0639615644. The cubic root of 696066064 is about 886.2375629851.

The spelling of 696066064 in words is "six hundred ninety-six million, sixty-six thousand, sixty-four".