1151502166 has 4 divisors (see below), whose sum is σ = 1727253252. Its totient is φ = 575751082.

The previous prime is 1151502151. The next prime is 1151502173. The reversal of 1151502166 is 6612051511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6612051511 = 13 ⋅508619347.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287875540 + ... + 287875543.

It is an arithmetic number, because the mean of its divisors is an integer number (431813313).

Almost surely, 2^1151502166 is an apocalyptic number.

1151502166 is a deficient number, since it is larger than the sum of its proper divisors (575751086).

1151502166 is an equidigital number, since it uses as much as digits as its factorization.

1151502166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575751085.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1151502166 is about 33933.7909170196. The cubic root of 1151502166 is about 1048.1455296562.

Adding to 1151502166 its reverse (6612051511), we get a palindrome (7763553677).

The spelling of 1151502166 in words is "one billion, one hundred fifty-one million, five hundred two thousand, one hundred sixty-six".