1166156022 has 16 divisors (see below), whose sum is σ = 2333579760. Its totient is φ = 388507392.

The previous prime is 1166155997. The next prime is 1166156081. The reversal of 1166156022 is 2206516611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40647 + ... + 63122.

It is an arithmetic number, because the mean of its divisors is an integer number (145848735).

Almost surely, 2^1166156022 is an apocalyptic number.

1166156022 is an abundant number, since it is smaller than the sum of its proper divisors (1167423738).

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

1166156022 is a wasteful number, since it uses less digits than its factorization.

1166156022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105647.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1166156022 is about 34149.0266625566. The cubic root of 1166156022 is about 1052.5729859885.

The spelling of 1166156022 in words is "one billion, one hundred sixty-six million, one hundred fifty-six thousand, twenty-two".