164240425405500 has 96 divisors (see below), whose sum is σ = 478352035656768. Its totient is φ = 43789762080000.

The previous prime is 164240425405499. The next prime is 164240425405517. The reversal of 164240425405500 is 5504524042461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051519 + ... + 18154518.

It is an arithmetic number, because the mean of its divisors is an integer number (4982833704758).

Almost surely, 2^{164240425405500} is an apocalyptic number.

164240425405500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164240425405500 is an abundant number, since it is smaller than the sum of its proper divisors (314111610251268).

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

164240425405500 is a wasteful number, since it uses less digits than its factorization.

164240425405500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211760 (or 19211748 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 164240425405500 its reverse (5504524042461), we get a palindrome (169744949447961).

The spelling of 164240425405500 in words is "one hundred sixty-four trillion, two hundred forty billion, four hundred twenty-five million, four hundred five thousand, five hundred".