167440222406 has 4 divisors (see below), whose sum is σ = 251160333612. Its totient is φ = 83720111202.

The previous prime is 167440222351. The next prime is 167440222441. The reversal of 167440222406 is 604222044761.

167440222406 is digitally balanced in base 2 and base 3, because in such bases 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 self number, because there is not a number n which added to its sum of digits gives 167440222406.

It is a congruent number.

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, 41860055600 + ... + 41860055603.

It is an arithmetic number, because the mean of its divisors is an integer number (62790083403).

Almost surely, 2^167440222406 is an apocalyptic number.

167440222406 is a deficient number, since it is larger than the sum of its proper divisors (83720111206).

167440222406 is an equidigital number, since it uses as much as digits as its factorization.

167440222406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83720111205.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 167440222406 in words is "one hundred sixty-seven billion, four hundred forty million, two hundred twenty-two thousand, four hundred six".