1672865536 has 18 divisors (see below), whose sum is σ = 3339196952. Its totient is φ = 836432640.

The previous prime is 1672865503. The next prime is 1672865543. The reversal of 1672865536 is 6355682761.

It is a self number, because there is not a number n which added to its sum of digits gives 1672865536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3267060 + ... + 3267571.

Almost surely, 2^1672865536 is an apocalyptic number.

1672865536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1672865536 is a deficient number, since it is larger than the sum of its proper divisors (1666331416).

1672865536 is an frugal number, since it uses more digits than its factorization.

1672865536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534647 (or 6534633 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 1672865536 is about 40900.6789185705. The cubic root of 1672865536 is about 1187.0991973465.

The spelling of 1672865536 in words is "one billion, six hundred seventy-two million, eight hundred sixty-five thousand, five hundred thirty-six".