164388908841 has 8 divisors (see below), whose sum is σ = 219385020384. Its totient is φ = 109492701600.

The previous prime is 164388908767. The next prime is 164388908861. The reversal of 164388908841 is 148809883461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164388908841 - 2¹¹ = 164388906793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164388908861) 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, 24972235 + ... + 24978816.

It is an arithmetic number, because the mean of its divisors is an integer number (27423127548).

Almost surely, 2^164388908841 is an apocalyptic number.

It is an amenable number.

164388908841 is a deficient number, since it is larger than the sum of its proper divisors (54996111543).

164388908841 is a wasteful number, since it uses less digits than its factorization.

164388908841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49952151.

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 164388908841 in words is "one hundred sixty-four billion, three hundred eighty-eight million, nine hundred eight thousand, eight hundred forty-one".