164534773376340 has 96 divisors (see below), whose sum is σ = 511902708145920. Its totient is φ = 43874504150400.

The previous prime is 164534773376329. The next prime is 164534773376377. The reversal of 164534773376340 is 43673377435461.

It is a happy number.

164534773376340 is a `hidden beast` number, since 1 + 6 + 4 + 53 + 477 + 3 + 3 + 76 + 3 + 40 = 666.

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 31 ways as a sum of consecutive naturals, for example, 11588185 + ... + 21525695.

It is an arithmetic number, because the mean of its divisors is an integer number (5332319876520).

Almost surely, 2^{164534773376340} is an apocalyptic number.

164534773376340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164534773376340 is an abundant number, since it is smaller than the sum of its proper divisors (347367934769580).

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

164534773376340 is a wasteful number, since it uses less digits than its factorization.

164534773376340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968190 (or 9968182 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 63.

The spelling of 164534773376340 in words is "one hundred sixty-four trillion, five hundred thirty-four billion, seven hundred seventy-three million, three hundred seventy-six thousand, three hundred forty".