4168551849 has 16 divisors (see below), whose sum is σ = 6929541120. Its totient is φ = 2165481360.

The previous prime is 4168551847. The next prime is 4168551857. The reversal of 4168551849 is 9481558614.

It is a happy number.

It is not a de Polignac number, because 4168551849 - 2¹ = 4168551847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4168551847) 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, 9022609 + ... + 9023070.

It is an arithmetic number, because the mean of its divisors is an integer number (433096320).

Almost surely, 2^4168551849 is an apocalyptic number.

It is an amenable number.

4168551849 is a deficient number, since it is larger than the sum of its proper divisors (2760989271).

4168551849 is a wasteful number, since it uses less digits than its factorization.

4168551849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18045700.

The product of its digits is 1382400, while the sum is 51.

The square root of 4168551849 is about 64564.3233450177. The cubic root of 4168551849 is about 1609.3916208892.

The spelling of 4168551849 in words is "four billion, one hundred sixty-eight million, five hundred fifty-one thousand, eight hundred forty-nine".