164015851 has 8 divisors (see below), whose sum is σ = 169905600. Its totient is φ = 158141760.

The previous prime is 164015849. The next prime is 164015869. The reversal of 164015851 is 158510461.

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 164015851 - 2¹ = 164015849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164015821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19966 + ... + 26956.

It is an arithmetic number, because the mean of its divisors is an integer number (21238200).

Almost surely, 2^164015851 is an apocalyptic number.

164015851 is a deficient number, since it is larger than the sum of its proper divisors (5889749).

164015851 is an equidigital number, since it uses as much as digits as its factorization.

164015851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 164015851 is about 12806.8673374873. The cubic root of 164015851 is about 547.3880018054.

The spelling of 164015851 in words is "one hundred sixty-four million, fifteen thousand, eight hundred fifty-one".