1166653652 has 12 divisors (see below), whose sum is σ = 2064584340. Its totient is φ = 576772416.

The previous prime is 1166653651. The next prime is 1166653681. The reversal of 1166653652 is 2563566611.

It can be written as a sum of positive squares in 2 ways, for example, as 220106896 + 946546756 = 14836^2 + 30766^2 .

It is a super-2 number, since 2×1166653652² = 2722161487449874208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166653651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638203 + ... + 1638914.

It is an arithmetic number, because the mean of its divisors is an integer number (172048695).

Almost surely, 2^1166653652 is an apocalyptic number.

It is an amenable number.

1166653652 is a deficient number, since it is larger than the sum of its proper divisors (897930688).

1166653652 is a wasteful number, since it uses less digits than its factorization.

1166653652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277210 (or 3277208 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 1166653652 is about 34156.3120374551. The cubic root of 1166653652 is about 1052.7226850560.

The spelling of 1166653652 in words is "one billion, one hundred sixty-six million, six hundred fifty-three thousand, six hundred fifty-two".