695622816 has 180 divisors, whose sum is σ = 2380251258. Its totient is φ = 198713088.

The previous prime is 695622799. The next prime is 695622821. The reversal of 695622816 is 618226596.

695622816 is a `hidden beast` number, since 6 + 9 + 5 + 622 + 8 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 357210000 + 338412816 = 18900^2 + 18396^2 .

It is a super-2 number, since 2×695622816² = 967782204279539712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 124270 + ... + 129746.

Almost surely, 2^695622816 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 695622816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190125629).

695622816 is an abundant number, since it is smaller than the sum of its proper divisors (1684628442).

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

695622816 is a wasteful number, since it uses less digits than its factorization.

695622816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513 (or 5489 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 695622816 is about 26374.6623864648. The cubic root of 695622816 is about 886.0494072630.

The spelling of 695622816 in words is "six hundred ninety-five million, six hundred twenty-two thousand, eight hundred sixteen".