164206133380 has 24 divisors (see below), whose sum is σ = 344848535640. Its totient is φ = 65679471360.

The previous prime is 164206133297. The next prime is 164206133381. The reversal of 164206133380 is 83331602461.

It can be written as a sum of positive squares in 4 ways, for example, as 20722754116 + 143483379264 = 143954^2 + 378792^2 .

It is a super-2 number, since 2×164206133380² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164206133381) 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, 295560 + ... + 644800.

It is an arithmetic number, because the mean of its divisors is an integer number (14368688985).

Almost surely, 2^164206133380 is an apocalyptic number.

164206133380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164206133380 is an abundant number, since it is smaller than the sum of its proper divisors (180642402260).

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

164206133380 is a wasteful number, since it uses less digits than its factorization.

164206133380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372759 (or 372757 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 164206133380 in words is "one hundred sixty-four billion, two hundred six million, one hundred thirty-three thousand, three hundred eighty".