1166450131 has 8 divisors (see below), whose sum is σ = 1454275584. Its totient is φ = 908922120.

The previous prime is 1166450107. The next prime is 1166450141. The reversal of 1166450131 is 1310546611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166450131 - 2⁷ = 1166450003 is a prime.

It is a super-2 number, since 2×1166450131² = 2721211816219834322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166450131.

It is not an unprimeable number, because it can be changed into a prime (1166450141) 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, 7574275 + ... + 7574428.

It is an arithmetic number, because the mean of its divisors is an integer number (181784448).

Almost surely, 2^1166450131 is an apocalyptic number.

1166450131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1166450131 is a deficient number, since it is larger than the sum of its proper divisors (287825453).

1166450131 is a wasteful number, since it uses less digits than its factorization.

1166450131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15148721.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1166450131 is about 34153.3326485132. The cubic root of 1166450131 is about 1052.6614661922.

Adding to 1166450131 its reverse (1310546611), we get a palindrome (2476996742).

The spelling of 1166450131 in words is "one billion, one hundred sixty-six million, four hundred fifty thousand, one hundred thirty-one".