164210581794 has 16 divisors (see below), whose sum is σ = 375338472768. Its totient is φ = 46917309072.

The previous prime is 164210581793. The next prime is 164210581817. The reversal of 164210581794 is 497185012461.

It is not an unprimeable number, because it can be changed into a prime (164210581793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954887837 + ... + 1954887920.

It is an arithmetic number, because the mean of its divisors is an integer number (23458654548).

Almost surely, 2^164210581794 is an apocalyptic number.

164210581794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164210581794 is an abundant number, since it is smaller than the sum of its proper divisors (211127890974).

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

164210581794 is a wasteful number, since it uses less digits than its factorization.

164210581794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909775769.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 164210581794 in words is "one hundred sixty-four billion, two hundred ten million, five hundred eighty-one thousand, seven hundred ninety-four".