6142166991 has 24 divisors (see below), whose sum is σ = 9092865600. Its totient is φ = 3992947200.

The previous prime is 6142166983. The next prime is 6142167007. The reversal of 6142166991 is 1996612416.

It is a happy number.

6142166991 is a `hidden beast` number, since 614 + 21 + 6 + 6 + 9 + 9 + 1 = 666.

It is not a de Polignac number, because 6142166991 - 2³ = 6142166983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142166791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1492026 + ... + 1496136.

It is an arithmetic number, because the mean of its divisors is an integer number (378869400).

Almost surely, 2^6142166991 is an apocalyptic number.

6142166991 is a deficient number, since it is larger than the sum of its proper divisors (2950698609).

6142166991 is a wasteful number, since it uses less digits than its factorization.

6142166991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207 (or 8204 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 6142166991 is about 78371.9783532354. The cubic root of 6142166991 is about 1831.3606283448.

The spelling of 6142166991 in words is "six billion, one hundred forty-two million, one hundred sixty-six thousand, nine hundred ninety-one".