1166015001 has 8 divisors (see below), whose sum is σ = 1555007040. Its totient is φ = 777183152.

The previous prime is 1166014973. The next prime is 1166015029. The reversal of 1166015001 is 1005106611.

It is an interprime number because it is at equal distance from previous prime (1166014973) and next prime (1166015029).

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 1166015001 - 2⁶ = 1166014937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21885 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (194375880).

Almost surely, 2^1166015001 is an apocalyptic number.

It is an amenable number.

1166015001 is a deficient number, since it is larger than the sum of its proper divisors (388992039).

1166015001 is an equidigital number, since it uses as much as digits as its factorization.

1166015001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80095.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1166015001 is about 34146.9618121437. The cubic root of 1166015001 is about 1052.5305557373.

The spelling of 1166015001 in words is "one billion, one hundred sixty-six million, fifteen thousand, one".