1161666022 has 16 divisors (see below), whose sum is σ = 1904223312. Its totient is φ = 527109120.

The previous prime is 1161666019. The next prime is 1161666029. The reversal of 1161666022 is 2206661611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161666029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33063 + ... + 58450.

It is an arithmetic number, because the mean of its divisors is an integer number (119013957).

Almost surely, 2^1161666022 is an apocalyptic number.

1161666022 is a deficient number, since it is larger than the sum of its proper divisors (742557290).

1161666022 is a wasteful number, since it uses less digits than its factorization.

1161666022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92103.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1161666022 is about 34083.2220014482. Note that the first 3 decimals coincide. The cubic root of 1161666022 is about 1051.2203564573.

The spelling of 1161666022 in words is "one billion, one hundred sixty-one million, six hundred sixty-six thousand, twenty-two".