164155514511 has 8 divisors (see below), whose sum is σ = 218876307120. Its totient is φ = 109435865792.

The previous prime is 164155514503. The next prime is 164155514521. The reversal of 164155514511 is 115415551461.

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 164155514511 - 2³ = 164155514503 is a prime.

It is a super-2 number, since 2×164155514511² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164155514511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164155514521) 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, 139171 + ... + 589643.

It is an arithmetic number, because the mean of its divisors is an integer number (27359538390).

Almost surely, 2^164155514511 is an apocalyptic number.

164155514511 is a deficient number, since it is larger than the sum of its proper divisors (54720792609).

164155514511 is a wasteful number, since it uses less digits than its factorization.

164155514511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571945.

The product of its digits is 60000, while the sum is 39.

The spelling of 164155514511 in words is "one hundred sixty-four billion, one hundred fifty-five million, five hundred fourteen thousand, five hundred eleven".