8149868506770 has 256 divisors, whose sum is σ = 21745368760320. Its totient is φ = 1944368971776.

The previous prime is 8149868506751. The next prime is 8149868506817. The reversal of 8149868506770 is 776058689418.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 8149868506695 and 8149868506704.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1395761511 + ... + 1395767349.

It is an arithmetic number, because the mean of its divisors is an integer number (84942846720).

Almost surely, 2^{8149868506770} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8149868506770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10872684380160).

8149868506770 is an abundant number, since it is smaller than the sum of its proper divisors (13595500253550).

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

8149868506770 is a wasteful number, since it uses less digits than its factorization.

8149868506770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609.

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 8149868506770 in words is "eight trillion, one hundred forty-nine billion, eight hundred sixty-eight million, five hundred six thousand, seven hundred seventy".