1172609668 has 12 divisors (see below), whose sum is σ = 2063532240. Its totient is φ = 583029032.

The previous prime is 1172609657. The next prime is 1172609671. The reversal of 1172609668 is 8669062711.

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 3 ways as a sum of consecutive naturals, for example, 818146 + ... + 819577.

It is an arithmetic number, because the mean of its divisors is an integer number (171961020).

Almost surely, 2^1172609668 is an apocalyptic number.

It is an amenable number.

1172609668 is a deficient number, since it is larger than the sum of its proper divisors (890922572).

1172609668 is a wasteful number, since it uses less digits than its factorization.

1172609668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637906 (or 1637904 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1172609668 is about 34243.3886757721. The cubic root of 1172609668 is about 1054.5111031103.

The spelling of 1172609668 in words is "one billion, one hundred seventy-two million, six hundred nine thousand, six hundred sixty-eight".