1166696776149 has 16 divisors (see below), whose sum is σ = 1583093943360. Its totient is φ = 764160059520.

The previous prime is 1166696776127. The next prime is 1166696776243. The reversal of 1166696776149 is 9416776966611.

It is not a de Polignac number, because 1166696776149 - 2⁵ = 1166696776117 is a prime.

It is a super-2 number, since 2×1166696776149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166696774149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13874167 + ... + 13958004.

It is an arithmetic number, because the mean of its divisors is an integer number (98943371460).

Almost surely, 2^{1166696776149} is an apocalyptic number.

It is an amenable number.

1166696776149 is a deficient number, since it is larger than the sum of its proper divisors (416397167211).

1166696776149 is a wasteful number, since it uses less digits than its factorization.

1166696776149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27832420.

The product of its digits is 123451776, while the sum is 69.

The spelling of 1166696776149 in words is "one trillion, one hundred sixty-six billion, six hundred ninety-six million, seven hundred seventy-six thousand, one hundred forty-nine".