1695320064 has 384 divisors, whose sum is σ = 5535129600. Its totient is φ = 510935040.

The previous prime is 1695320059. The next prime is 1695320071. The reversal of 1695320064 is 4600235961.

It is a happy number.

1695320064 is a `hidden beast` number, since 1 + 69 + 532 + 0 + 0 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×1695320064² = 5748220238801928192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39426027 + ... + 39426069.

It is an arithmetic number, because the mean of its divisors is an integer number (14414400).

Almost surely, 2^1695320064 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 1695320064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767564800).

1695320064 is an abundant number, since it is smaller than the sum of its proper divisors (3839809536).

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

1695320064 is a wasteful number, since it uses less digits than its factorization.

1695320064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1695320064 is about 41174.2645835964. The cubic root of 1695320064 is about 1192.3870040475.

The spelling of 1695320064 in words is "one billion, six hundred ninety-five million, three hundred twenty thousand, sixty-four".