164228151 has 4 divisors (see below), whose sum is σ = 218970872. Its totient is φ = 109485432.

The previous prime is 164228149. The next prime is 164228159. The reversal of 164228151 is 151822461.

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

It is not a de Polignac number, because 164228151 - 2¹ = 164228149 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 (164228159) 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, 27371356 + ... + 27371361.

It is an arithmetic number, because the mean of its divisors is an integer number (54742718).

Almost surely, 2^164228151 is an apocalyptic number.

164228151 is a deficient number, since it is larger than the sum of its proper divisors (54742721).

164228151 is an equidigital number, since it uses as much as digits as its factorization.

164228151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54742720.

The product of its digits is 3840, while the sum is 30.

The square root of 164228151 is about 12815.1531789519. The cubic root of 164228151 is about 547.6240772978.

The spelling of 164228151 in words is "one hundred sixty-four million, two hundred twenty-eight thousand, one hundred fifty-one".