164328923842 has 16 divisors (see below), whose sum is σ = 253168296192. Its totient is φ = 79939718640.

The previous prime is 164328923839. The next prime is 164328923861. The reversal of 164328923842 is 248329823461.

It is a super-2 number, since 2×164328923842² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164328923842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818543 + ... + 1906765.

It is an arithmetic number, because the mean of its divisors is an integer number (15823018512).

Almost surely, 2^164328923842 is an apocalyptic number.

164328923842 is a deficient number, since it is larger than the sum of its proper divisors (88839372350).

164328923842 is a wasteful number, since it uses less digits than its factorization.

164328923842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113433.

The product of its digits is 3981312, while the sum is 52.

The spelling of 164328923842 in words is "one hundred sixty-four billion, three hundred twenty-eight million, nine hundred twenty-three thousand, eight hundred forty-two".