1167413661 has 16 divisors (see below), whose sum is σ = 1740118720. Its totient is φ = 773498160.

The previous prime is 1167413641. The next prime is 1167413693. The reversal of 1167413661 is 1663147611.

It is not a de Polignac number, because 1167413661 - 2¹⁰ = 1167412637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167413641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128230 + ... + 137031.

It is an arithmetic number, because the mean of its divisors is an integer number (108757420).

Almost surely, 2^1167413661 is an apocalyptic number.

It is an amenable number.

1167413661 is a deficient number, since it is larger than the sum of its proper divisors (572705059).

1167413661 is a wasteful number, since it uses less digits than its factorization.

1167413661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265433 (or 265427 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1167413661 is about 34167.4356807765. The cubic root of 1167413661 is about 1052.9512319035.

The spelling of 1167413661 in words is "one billion, one hundred sixty-seven million, four hundred thirteen thousand, six hundred sixty-one".