164781830501 has 8 divisors (see below), whose sum is σ = 174762328320. Its totient is φ = 154833271488.

The previous prime is 164781830459. The next prime is 164781830513. The reversal of 164781830501 is 105038187461.

164781830501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164781830501 is a prime.

It is a super-2 number, since 2×164781830501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164781830561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7974071 + ... + 7994708.

It is an arithmetic number, because the mean of its divisors is an integer number (21845291040).

Almost surely, 2^164781830501 is an apocalyptic number.

It is an amenable number.

164781830501 is a deficient number, since it is larger than the sum of its proper divisors (9980497819).

164781830501 is a wasteful number, since it uses less digits than its factorization.

164781830501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969403.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 164781830501 in words is "one hundred sixty-four billion, seven hundred eighty-one million, eight hundred thirty thousand, five hundred one".