164245414452534 has 64 divisors (see below), whose sum is σ = 372431385216000. Its totient is φ = 53642815630560.

The previous prime is 164245414452479. The next prime is 164245414452541. The reversal of 164245414452534 is 435254414542461.

It is a happy number.

164245414452534 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 4 + 5 + 41 + 44 + 525 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146391669 + ... + 147509360.

It is an arithmetic number, because the mean of its divisors is an integer number (5819240394000).

Almost surely, 2^{164245414452534} is an apocalyptic number.

164245414452534 is an abundant number, since it is smaller than the sum of its proper divisors (208185970763466).

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

164245414452534 is a wasteful number, since it uses less digits than its factorization.

164245414452534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293901250 (or 293901244 counting only the distinct ones).

The product of its digits is 36864000, while the sum is 54.

Adding to 164245414452534 its reverse (435254414542461), we get a palindrome (599499828994995).

The spelling of 164245414452534 in words is "one hundred sixty-four trillion, two hundred forty-five billion, four hundred fourteen million, four hundred fifty-two thousand, five hundred thirty-four".