1167829681897 has 16 divisors (see below), whose sum is σ = 1243798068240. Its totient is φ = 1092670636032.

The previous prime is 1167829681877. The next prime is 1167829681901. The reversal of 1167829681897 is 7981869287611.

It can be written as a sum of positive squares in 8 ways, for example, as 128855153296 + 1038974528601 = 358964^2 + 1019301^2 .

It is not a de Polignac number, because 1167829681897 - 2¹⁹ = 1167829157609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167829681877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55789129 + ... + 55810057.

It is an arithmetic number, because the mean of its divisors is an integer number (77737379265).

Almost surely, 2^{1167829681897} is an apocalyptic number.

1167829681897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1167829681897 is a deficient number, since it is larger than the sum of its proper divisors (75968386343).

1167829681897 is a wasteful number, since it uses less digits than its factorization.

1167829681897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40092.

The product of its digits is 146313216, while the sum is 73.

The spelling of 1167829681897 in words is "one trillion, one hundred sixty-seven billion, eight hundred twenty-nine million, six hundred eighty-one thousand, eight hundred ninety-seven".