164427288528 has 20 divisors (see below), whose sum is σ = 424770495488. Its totient is φ = 54809096160.

The previous prime is 164427288503. The next prime is 164427288541. The reversal of 164427288528 is 825882724461.

It is a super-3 number, since 3×164427288528³ (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, 1712784208 + ... + 1712784303.

Almost surely, 2^164427288528 is an apocalyptic number.

It is an amenable number.

164427288528 is an abundant number, since it is smaller than the sum of its proper divisors (260343206960).

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

164427288528 is a wasteful number, since it uses less digits than its factorization.

164427288528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425568522 (or 3425568516 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 57.

The spelling of 164427288528 in words is "one hundred sixty-four billion, four hundred twenty-seven million, two hundred eighty-eight thousand, five hundred twenty-eight".