164600750520 has 48 divisors (see below), whose sum is σ = 534952440360. Its totient is φ = 43893533376.

The previous prime is 164600750507. The next prime is 164600750537. The reversal of 164600750520 is 25057006461.

It is a happy number.

164600750520 is a `hidden beast` number, since 1 + 6 + 4 + 60 + 0 + 75 + 0 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228611794 + ... + 228612513.

Almost surely, 2^164600750520 is an apocalyptic number.

164600750520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164600750520 is an abundant number, since it is smaller than the sum of its proper divisors (370351689840).

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

164600750520 is a wasteful number, since it uses less digits than its factorization.

164600750520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457224324 (or 457224317 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 164600750520 its reverse (25057006461), we get a palindrome (189657756981).

The spelling of 164600750520 in words is "one hundred sixty-four billion, six hundred million, seven hundred fifty thousand, five hundred twenty".