164217440802 has 16 divisors (see below), whose sum is σ = 328451286240. Its totient is φ = 54736412832.

The previous prime is 164217440791. The next prime is 164217440851. The reversal of 164217440802 is 208044712461.

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 7 ways as a sum of consecutive naturals, for example, 551427 + ... + 795302.

It is an arithmetic number, because the mean of its divisors is an integer number (20528205390).

Almost surely, 2^164217440802 is an apocalyptic number.

164217440802 is an abundant number, since it is smaller than the sum of its proper divisors (164233845438).

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

164217440802 is a wasteful number, since it uses less digits than its factorization.

164217440802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367057.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 164217440802 in words is "one hundred sixty-four billion, two hundred seventeen million, four hundred forty thousand, eight hundred two".