11166723393 has 32 divisors (see below), whose sum is σ = 17222879232. Its totient is φ = 6303763200.

The previous prime is 11166723341. The next prime is 11166723397. The reversal of 11166723393 is 39332766111.

It is a happy number.

It is not a de Polignac number, because 11166723393 - 2¹³ = 11166715201 is a prime.

It is a super-2 number, since 2×11166723393² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11166723397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730438 + ... + 745568.

It is an arithmetic number, because the mean of its divisors is an integer number (538214976).

Almost surely, 2^11166723393 is an apocalyptic number.

It is an amenable number.

11166723393 is a deficient number, since it is larger than the sum of its proper divisors (6056155839).

11166723393 is a wasteful number, since it uses less digits than its factorization.

11166723393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565.

The product of its digits is 122472, while the sum is 42.

The spelling of 11166723393 in words is "eleven billion, one hundred sixty-six million, seven hundred twenty-three thousand, three hundred ninety-three".