1625869968 has 80 divisors (see below), whose sum is σ = 4248019776. Its totient is φ = 535818240.

The previous prime is 1625869963. The next prime is 1625869991. The reversal of 1625869968 is 8699685261.

Its product of digits (11197440) is a multiple of the sum of its prime factors (1152).

It is not an unprimeable number, because it can be changed into a prime (1625869961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847123 + ... + 2847693.

Almost surely, 2^1625869968 is an apocalyptic number.

It is an amenable number.

1625869968 is an abundant number, since it is smaller than the sum of its proper divisors (2622149808).

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

1625869968 is a wasteful number, since it uses less digits than its factorization.

1625869968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1146 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 60.

The square root of 1625869968 is about 40322.0779226468. The cubic root of 1625869968 is about 1175.8771101167.

The spelling of 1625869968 in words is "one billion, six hundred twenty-five million, eight hundred sixty-nine thousand, nine hundred sixty-eight".