1150520166 has 16 divisors (see below), whose sum is σ = 2556711600. Its totient is φ = 383506704.

The previous prime is 1150520149. The next prime is 1150520209. The reversal of 1150520166 is 6610250511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 10652911 + ... + 10653018.

It is an arithmetic number, because the mean of its divisors is an integer number (159794475).

Almost surely, 2^1150520166 is an apocalyptic number.

1150520166 is an abundant number, since it is smaller than the sum of its proper divisors (1406191434).

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

1150520166 is a wasteful number, since it uses less digits than its factorization.

1150520166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305940 (or 21305934 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1150520166 is about 33919.3184778232. The cubic root of 1150520166 is about 1047.8474924000.

Adding to 1150520166 its reverse (6610250511), we get a palindrome (7760770677).

The spelling of 1150520166 in words is "one billion, one hundred fifty million, five hundred twenty thousand, one hundred sixty-six".