4168508378 has 4 divisors (see below), whose sum is σ = 6252762570. Its totient is φ = 2084254188.

The previous prime is 4168508369. The next prime is 4168508423. The reversal of 4168508378 is 8738058614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4132304089 + 36204289 = 64283^2 + 6017^2 .

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 as a sum of consecutive naturals, namely, 1042127093 + ... + 1042127096.

Almost surely, 2^4168508378 is an apocalyptic number.

4168508378 is a deficient number, since it is larger than the sum of its proper divisors (2084254192).

4168508378 is a wasteful number, since it uses less digits than its factorization.

4168508378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084254191.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4168508378 is about 64563.9866953707. The cubic root of 4168508378 is about 1609.3860264519.

The spelling of 4168508378 in words is "four billion, one hundred sixty-eight million, five hundred eight thousand, three hundred seventy-eight".