7269851664 has 60 divisors (see below), whose sum is σ = 21001806592. Its totient is φ = 2345112000.

The previous prime is 7269851651. The next prime is 7269851669. The reversal of 7269851664 is 4661589627.

7269851664 is a `hidden beast` number, since 7 + 2 + 69 + 8 + 516 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7269851664.

It is not an unprimeable number, because it can be changed into a prime (7269851669) 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 11 ways as a sum of consecutive naturals, for example, 809812 + ... + 818739.

Almost surely, 2^7269851664 is an apocalyptic number.

It is an amenable number.

7269851664 is an abundant number, since it is smaller than the sum of its proper divisors (13731954928).

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

7269851664 is a wasteful number, since it uses less digits than its factorization.

7269851664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628596 (or 1628587 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 7269851664 is about 85263.4251247274. The cubic root of 7269851664 is about 1937.2032240491.

The spelling of 7269851664 in words is "seven billion, two hundred sixty-nine million, eight hundred fifty-one thousand, six hundred sixty-four".