1166940370193 has 16 divisors (see below), whose sum is σ = 1258937324736. Its totient is φ = 1075263284160.

The previous prime is 1166940370181. The next prime is 1166940370201. The reversal of 1166940370193 is 3910730496611.

It is a happy number.

It is not a de Polignac number, because 1166940370193 - 2¹⁶ = 1166940304657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166940370153) 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 15 ways as a sum of consecutive naturals, for example, 32466530 + ... + 32502452.

It is an arithmetic number, because the mean of its divisors is an integer number (78683582796).

Almost surely, 2^{1166940370193} is an apocalyptic number.

1166940370193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1166940370193 is a deficient number, since it is larger than the sum of its proper divisors (91996954543).

1166940370193 is a wasteful number, since it uses less digits than its factorization.

1166940370193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40304.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 1166940370193 in words is "one trillion, one hundred sixty-six billion, nine hundred forty million, three hundred seventy thousand, one hundred ninety-three".