4168148364638 has 4 divisors (see below), whose sum is σ = 6252222546960. Its totient is φ = 2084074182318.

The previous prime is 4168148364511. The next prime is 4168148364683. The reversal of 4168148364638 is 8364638418614.

It is a happy number.

4168148364638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042037091158 + ... + 1042037091161.

It is an arithmetic number, because the mean of its divisors is an integer number (1563055636740).

Almost surely, 2^{4168148364638} is an apocalyptic number.

4168148364638 is a deficient number, since it is larger than the sum of its proper divisors (2084074182322).

4168148364638 is a wasteful number, since it uses less digits than its factorization.

4168148364638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084074182321.

The product of its digits is 63700992, while the sum is 62.

The spelling of 4168148364638 in words is "four trillion, one hundred sixty-eight billion, one hundred forty-eight million, three hundred sixty-four thousand, six hundred thirty-eight".