164123361 has 8 divisors (see below), whose sum is σ = 243145760. Its totient is φ = 109415556.

The previous prime is 164123359. The next prime is 164123411. The reversal of 164123361 is 163321461.

It is not a de Polignac number, because 164123361 - 2¹ = 164123359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6078643 = 164123361 / (1 + 6 + 4 + 1 + 2 + 3 + 3 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164123461) 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, 3039295 + ... + 3039348.

It is an arithmetic number, because the mean of its divisors is an integer number (30393220).

Almost surely, 2^164123361 is an apocalyptic number.

It is an amenable number.

164123361 is a deficient number, since it is larger than the sum of its proper divisors (79022399).

164123361 is an equidigital number, since it uses as much as digits as its factorization.

164123361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078652 (or 6078646 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 164123361 is about 12811.0640073337. The cubic root of 164123361 is about 547.5075773018.

The spelling of 164123361 in words is "one hundred sixty-four million, one hundred twenty-three thousand, three hundred sixty-one".