164245977089 has 8 divisors (see below), whose sum is σ = 165884832000. Its totient is φ = 162615136752.

The previous prime is 164245977067. The next prime is 164245977127. The reversal of 164245977089 is 980779542461.

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 164245977089 - 2¹² = 164245972993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164245977289) 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, 1962449 + ... + 2044430.

It is an arithmetic number, because the mean of its divisors is an integer number (20735604000).

Almost surely, 2^164245977089 is an apocalyptic number.

It is an amenable number.

164245977089 is a deficient number, since it is larger than the sum of its proper divisors (1638854911).

164245977089 is a wasteful number, since it uses less digits than its factorization.

164245977089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007287.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 164245977089 in words is "one hundred sixty-four billion, two hundred forty-five million, nine hundred seventy-seven thousand, eighty-nine".