1216672588 has 24 divisors (see below), whose sum is σ = 2147831504. Its totient is φ = 603028800.

The previous prime is 1216672559. The next prime is 1216672637. The reversal of 1216672588 is 8852766121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 237106 + ... + 242182.

Almost surely, 2^1216672588 is an apocalyptic number.

It is an amenable number.

1216672588 is a deficient number, since it is larger than the sum of its proper divisors (931158916).

1216672588 is a wasteful number, since it uses less digits than its factorization.

1216672588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5591 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 1216672588 is about 34880.8341069992. The cubic root of 1216672588 is about 1067.5574143277.

The spelling of 1216672588 in words is "one billion, two hundred sixteen million, six hundred seventy-two thousand, five hundred eighty-eight".