1167165690 has 32 divisors (see below), whose sum is σ = 2808539136. Its totient is φ = 310428480.

The previous prime is 1167165679. The next prime is 1167165691. The reversal of 1167165690 is 965617611.

It is a super-2 number, since 2×1167165690² = 2724551495826352200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1167165691) 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, 39301 + ... + 62280.

It is an arithmetic number, because the mean of its divisors is an integer number (87766848).

Almost surely, 2^1167165690 is an apocalyptic number.

1167165690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1167165690 is an abundant number, since it is smaller than the sum of its proper divisors (1641373446).

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

1167165690 is a wasteful number, since it uses less digits than its factorization.

1167165690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101974.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 1167165690 is about 34163.8067258319. The cubic root of 1167165690 is about 1052.8766739675.

The spelling of 1167165690 in words is "one billion, one hundred sixty-seven million, one hundred sixty-five thousand, six hundred ninety".