164155384724 has 12 divisors (see below), whose sum is σ = 287275643424. Its totient is φ = 82076629464.

The previous prime is 164155384639. The next prime is 164155384727. The reversal of 164155384724 is 427483551461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164155384727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156209 + ... + 593895.

It is an arithmetic number, because the mean of its divisors is an integer number (23939636952).

Almost surely, 2^164155384724 is an apocalyptic number.

It is an amenable number.

164155384724 is a deficient number, since it is larger than the sum of its proper divisors (123120258700).

164155384724 is a wasteful number, since it uses less digits than its factorization.

164155384724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531454 (or 531452 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 50.

The spelling of 164155384724 in words is "one hundred sixty-four billion, one hundred fifty-five million, three hundred eighty-four thousand, seven hundred twenty-four".