164340630544464 has 120 divisors (see below), whose sum is σ = 501761008704384. Its totient is φ = 49797800640000.

The previous prime is 164340630544427. The next prime is 164340630544483. The reversal of 164340630544464 is 464445036043461.

164340630544464 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 4 + 0 + 6 + 30 + 544 + 4 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 164340630544464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30659289 + ... + 35618439.

Almost surely, 2^{164340630544464} is an apocalyptic number.

It is an amenable number.

164340630544464 is an abundant number, since it is smaller than the sum of its proper divisors (337420378159920).

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

164340630544464 is a wasteful number, since it uses less digits than its factorization.

164340630544464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980097 (or 4980088 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 54.

The spelling of 164340630544464 in words is "one hundred sixty-four trillion, three hundred forty billion, six hundred thirty million, five hundred forty-four thousand, four hundred sixty-four".