1267881883158 has 64 divisors (see below), whose sum is σ = 2793997919232. Its totient is φ = 380362776480.

The previous prime is 1267881883139. The next prime is 1267881883243. The reversal of 1267881883158 is 8513881887621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10696485 + ... + 10814367.

It is an arithmetic number, because the mean of its divisors is an integer number (43656217488).

Almost surely, 2^{1267881883158} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1267881883158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396998959616).

1267881883158 is an abundant number, since it is smaller than the sum of its proper divisors (1526116036074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1267881883158 is a wasteful number, since it uses less digits than its factorization.

1267881883158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119529.

The product of its digits is 41287680, while the sum is 66.

The spelling of 1267881883158 in words is "one trillion, two hundred sixty-seven billion, eight hundred eighty-one million, eight hundred eighty-three thousand, one hundred fifty-eight".