164158716810 has 48 divisors (see below), whose sum is σ = 433053417888. Its totient is φ = 39796051680.

The previous prime is 164158716773. The next prime is 164158716851. The reversal of 164158716810 is 18617851461.

It is a super-2 number, since 2×164158716810² (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 164158716810.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22607764 + ... + 22615023.

It is an arithmetic number, because the mean of its divisors is an integer number (9021946206).

Almost surely, 2^164158716810 is an apocalyptic number.

164158716810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164158716810 is an abundant number, since it is smaller than the sum of its proper divisors (268894701078).

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

164158716810 is a wasteful number, since it uses less digits than its factorization.

164158716810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45222819 (or 45222808 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 164158716810 in words is "one hundred sixty-four billion, one hundred fifty-eight million, seven hundred sixteen thousand, eight hundred ten".