164640151 has 8 divisors (see below), whose sum is σ = 178963344. Its totient is φ = 150553920.

The previous prime is 164640143. The next prime is 164640173. The reversal of 164640151 is 151046461.

164640151 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 164640151 - 2³ = 164640143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164640131) 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, 57790 + ... + 60571.

It is an arithmetic number, because the mean of its divisors is an integer number (22370418).

Almost surely, 2^164640151 is an apocalyptic number.

164640151 is a deficient number, since it is larger than the sum of its proper divisors (14323193).

164640151 is a wasteful number, since it uses less digits than its factorization.

164640151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118481.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 164640151 is about 12831.2178299645. The cubic root of 164640151 is about 548.0816373217.

The spelling of 164640151 in words is "one hundred sixty-four million, six hundred forty thousand, one hundred fifty-one".