164047651 has 4 divisors (see below), whose sum is σ = 164428704. Its totient is φ = 163666600.

The previous prime is 164047643. The next prime is 164047669. The reversal of 164047651 is 156740461.

164047651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164047651 - 2³ = 164047643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164047151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189880 + ... + 190741.

It is an arithmetic number, because the mean of its divisors is an integer number (41107176).

Almost surely, 2^164047651 is an apocalyptic number.

164047651 is a deficient number, since it is larger than the sum of its proper divisors (381053).

164047651 is an equidigital number, since it uses as much as digits as its factorization.

164047651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381052.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 164047651 is about 12808.1087987259. The cubic root of 164047651 is about 547.4233760563.

The spelling of 164047651 in words is "one hundred sixty-four million, forty-seven thousand, six hundred fifty-one".