164311616634534 has 12 divisors (see below), whose sum is σ = 356008502708196. Its totient is φ = 54770538878172.

The previous prime is 164311616634533. The next prime is 164311616634547. The reversal of 164311616634534 is 435436616113461.

164311616634534 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 1 + 16 + 1 + 66 + 34 + 534 = 666.

It is a super-2 number, since 2×164311616634534² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164311616634533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4564211573164 + ... + 4564211573199.

It is an arithmetic number, because the mean of its divisors is an integer number (29667375225683).

Almost surely, 2^{164311616634534} is an apocalyptic number.

164311616634534 is an abundant number, since it is smaller than the sum of its proper divisors (191696886073662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164311616634534 is a wasteful number, since it uses less digits than its factorization.

164311616634534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128423146371 (or 9128423146368 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 164311616634534 in words is "one hundred sixty-four trillion, three hundred eleven billion, six hundred sixteen million, six hundred thirty-four thousand, five hundred thirty-four".