164320401231530 has 16 divisors (see below), whose sum is σ = 295780442660064. Its totient is φ = 65727333727440.

The previous prime is 164320401231517. The next prime is 164320401231557. The reversal of 164320401231530 is 35132104023461.

It is a super-2 number, since 2×164320401231530² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102510572 + ... + 104101191.

It is an arithmetic number, because the mean of its divisors is an integer number (18486277666254).

Almost surely, 2^{164320401231530} is an apocalyptic number.

164320401231530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164320401231530 is a deficient number, since it is larger than the sum of its proper divisors (131460041428534).

164320401231530 is a wasteful number, since it uses less digits than its factorization.

164320401231530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206691301.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 164320401231530 its reverse (35132104023461), we get a palindrome (199452505254991).

The spelling of 164320401231530 in words is "one hundred sixty-four trillion, three hundred twenty billion, four hundred one million, two hundred thirty-one thousand, five hundred thirty".