164532747 has 32 divisors (see below), whose sum is σ = 236390400. Its totient is φ = 101582208.

The previous prime is 164532743. The next prime is 164532751. The reversal of 164532747 is 747235461.

It is an interprime number because it is at equal distance from previous prime (164532743) and next prime (164532751).

It is not a de Polignac number, because 164532747 - 2² = 164532743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164532743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253978 + ... + 254624.

It is an arithmetic number, because the mean of its divisors is an integer number (7387200).

Almost surely, 2^164532747 is an apocalyptic number.

164532747 is a deficient number, since it is larger than the sum of its proper divisors (71857653).

164532747 is a wasteful number, since it uses less digits than its factorization.

164532747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its digits is 141120, while the sum is 39.

The square root of 164532747 is about 12827.0318858261. The cubic root of 164532747 is about 547.9624299371.

The spelling of 164532747 in words is "one hundred sixty-four million, five hundred thirty-two thousand, seven hundred forty-seven".