164530206380 has 24 divisors (see below), whose sum is σ = 345543984240. Its totient is φ = 65806263360.

The previous prime is 164530206319. The next prime is 164530206427. The reversal of 164530206380 is 83602035461.

It is a super-2 number, since 2×164530206380² (a number of 23 digits) contains 22 as substring.

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, 128135 + ... + 587774.

It is an arithmetic number, because the mean of its divisors is an integer number (14397666010).

Almost surely, 2^164530206380 is an apocalyptic number.

164530206380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164530206380 is an abundant number, since it is smaller than the sum of its proper divisors (181013777860).

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

164530206380 is a wasteful number, since it uses less digits than its factorization.

164530206380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727409 (or 727407 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 164530206380 in words is "one hundred sixty-four billion, five hundred thirty million, two hundred six thousand, three hundred eighty".