6942386772158 has 64 divisors (see below), whose sum is σ = 11280843362880. Its totient is φ = 3193511961600.

The previous prime is 6942386772157. The next prime is 6942386772161. The reversal of 6942386772158 is 8512776832496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942386772157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400336568 + ... + 400353908.

It is an arithmetic number, because the mean of its divisors is an integer number (176263177545).

Almost surely, 2^{6942386772158} is an apocalyptic number.

6942386772158 is a deficient number, since it is larger than the sum of its proper divisors (4338456590722).

6942386772158 is a wasteful number, since it uses less digits than its factorization.

6942386772158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18573.

The product of its digits is 243855360, while the sum is 68.

The spelling of 6942386772158 in words is "six trillion, nine hundred forty-two billion, three hundred eighty-six million, seven hundred seventy-two thousand, one hundred fifty-eight".