1166254415 has 8 divisors (see below), whose sum is σ = 1407595968. Its totient is φ = 927609760.

The previous prime is 1166254391. The next prime is 1166254423. The reversal of 1166254415 is 5144526611.

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

It is a de Polignac number, because none of the positive numbers 2^k-1166254415 is a prime.

It is a Duffinian number.

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, 673271 + ... + 675000.

It is an arithmetic number, because the mean of its divisors is an integer number (175949496).

Almost surely, 2^1166254415 is an apocalyptic number.

1166254415 is a deficient number, since it is larger than the sum of its proper divisors (241341553).

1166254415 is a wasteful number, since it uses less digits than its factorization.

1166254415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348449.

The product of its digits is 28800, while the sum is 35.

The square root of 1166254415 is about 34150.4672735235. The cubic root of 1166254415 is about 1052.6025883457.

The spelling of 1166254415 in words is "one billion, one hundred sixty-six million, two hundred fifty-four thousand, four hundred fifteen".