164720752751 has 8 divisors (see below), whose sum is σ = 166025376000. Its totient is φ = 163420400920.

The previous prime is 164720752723. The next prime is 164720752831. The reversal of 164720752751 is 157257027461.

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

It is a cyclic number.

It is not a de Polignac number, because 164720752751 - 2¹⁸ = 164720490607 is a prime.

It is a super-3 number, since 3×164720752751³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164720752696 and 164720752705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164710752751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990401 + ... + 1144698.

It is an arithmetic number, because the mean of its divisors is an integer number (20753172000).

Almost surely, 2^164720752751 is an apocalyptic number.

164720752751 is a deficient number, since it is larger than the sum of its proper divisors (1304623249).

164720752751 is a wasteful number, since it uses less digits than its factorization.

164720752751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135709.

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 164720752751 in words is "one hundred sixty-four billion, seven hundred twenty million, seven hundred fifty-two thousand, seven hundred fifty-one".