1166098723 has 8 divisors (see below), whose sum is σ = 1228032000. Its totient is φ = 1104221448.

The previous prime is 1166098691. The next prime is 1166098763. The reversal of 1166098723 is 3278906611.

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 1166098723 - 2⁵ = 1166098691 is a prime.

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 1166098723.

It is not an unprimeable number, because it can be changed into a prime (1166098763) 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, 32790 + ... + 58372.

It is an arithmetic number, because the mean of its divisors is an integer number (153504000).

Almost surely, 2^1166098723 is an apocalyptic number.

1166098723 is a deficient number, since it is larger than the sum of its proper divisors (61933277).

1166098723 is a wasteful number, since it uses less digits than its factorization.

1166098723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28001.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1166098723 is about 34148.1876971531. The cubic root of 1166098723 is about 1052.5557463378. Note that the first 3 decimals are identical.

The spelling of 1166098723 in words is "one billion, one hundred sixty-six million, ninety-eight thousand, seven hundred twenty-three".