1268164406 has 8 divisors (see below), whose sum is σ = 1926325920. Its totient is φ = 626055768.

The previous prime is 1268164397. The next prime is 1268164411. The reversal of 1268164406 is 6044618621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1268164406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013021 + ... + 4013336.

It is an arithmetic number, because the mean of its divisors is an integer number (240790740).

Almost surely, 2^1268164406 is an apocalyptic number.

1268164406 is a deficient number, since it is larger than the sum of its proper divisors (658161514).

1268164406 is an equidigital number, since it uses as much as digits as its factorization.

1268164406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026438.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1268164406 is about 35611.2960449350. The cubic root of 1268164406 is about 1082.4101427545.

The spelling of 1268164406 in words is "one billion, two hundred sixty-eight million, one hundred sixty-four thousand, four hundred six".