1140452166 has 48 divisors (see below), whose sum is σ = 2658858480. Its totient is φ = 325160640.

The previous prime is 1140452119. The next prime is 1140452179. The reversal of 1140452166 is 6612540411.

It is a super-2 number, since 2×1140452166² = 2601262285868183112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145836 + ... + 153456.

It is an arithmetic number, because the mean of its divisors is an integer number (55392885).

Almost surely, 2^1140452166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140452166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329429240).

1140452166 is an abundant number, since it is smaller than the sum of its proper divisors (1518406314).

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

1140452166 is a wasteful number, since it uses less digits than its factorization.

1140452166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149 (or 8142 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1140452166 is about 33770.5813689963. The cubic root of 1140452166 is about 1044.7820233220.

Adding to 1140452166 its reverse (6612540411), we get a palindrome (7752992577).

The spelling of 1140452166 in words is "one billion, one hundred forty million, four hundred fifty-two thousand, one hundred sixty-six".