164402673524 has 12 divisors (see below), whose sum is σ = 287758664004. Its totient is φ = 82185912384.

The previous prime is 164402673511. The next prime is 164402673553. The reversal of 164402673524 is 425376204461.

It can be written as a sum of positive squares in 2 ways, for example, as 148857072400 + 15545601124 = 385820^2 + 124682^2 .

It is a super-3 number, since 3×164402673524³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832097 + ... + 3874760.

It is an arithmetic number, because the mean of its divisors is an integer number (23979888667).

Almost surely, 2^164402673524 is an apocalyptic number.

It is an amenable number.

164402673524 is a deficient number, since it is larger than the sum of its proper divisors (123355990480).

164402673524 is a wasteful number, since it uses less digits than its factorization.

164402673524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712194 (or 7712192 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

Adding to 164402673524 its reverse (425376204461), we get a palindrome (589778877985).

The spelling of 164402673524 in words is "one hundred sixty-four billion, four hundred two million, six hundred seventy-three thousand, five hundred twenty-four".