167220533406 has 32 divisors (see below), whose sum is σ = 338414677920. Its totient is φ = 55080653184.

The previous prime is 167220533387. The next prime is 167220533413. The reversal of 167220533406 is 604335022761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98805 + ... + 586688.

It is an arithmetic number, because the mean of its divisors is an integer number (10575458685).

Almost surely, 2^167220533406 is an apocalyptic number.

167220533406 is an abundant number, since it is smaller than the sum of its proper divisors (171194144514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167220533406 is a wasteful number, since it uses less digits than its factorization.

167220533406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685980.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 167220533406 in words is "one hundred sixty-seven billion, two hundred twenty million, five hundred thirty-three thousand, four hundred six".