164872747 has 8 divisors (see below), whose sum is σ = 186900560. Its totient is φ = 144180000.

The previous prime is 164872739. The next prime is 164872751. The reversal of 164872747 is 747278461.

164872747 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 not a de Polignac number, because 164872747 - 2³ = 164872739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164872697 and 164872706.

It is not an unprimeable number, because it can be changed into a prime (164872247) 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, 333504 + ... + 333997.

It is an arithmetic number, because the mean of its divisors is an integer number (23362570).

Almost surely, 2^164872747 is an apocalyptic number.

164872747 is a deficient number, since it is larger than the sum of its proper divisors (22027813).

164872747 is a wasteful number, since it uses less digits than its factorization.

164872747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667533.

The product of its digits is 526848, while the sum is 46.

The square root of 164872747 is about 12840.2783069527. The cubic root of 164872747 is about 548.3396173455.

The spelling of 164872747 in words is "one hundred sixty-four million, eight hundred seventy-two thousand, seven hundred forty-seven".