164380526648 has 32 divisors (see below), whose sum is σ = 351447057360. Its totient is φ = 71405114880.

The previous prime is 164380526633. The next prime is 164380526671. The reversal of 164380526648 is 846625083461.

It is a self number, because there is not a number n which added to its sum of digits gives 164380526648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46485938 + ... + 46489473.

Almost surely, 2^164380526648 is an apocalyptic number.

It is an amenable number.

164380526648 is an abundant number, since it is smaller than the sum of its proper divisors (187066530712).

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

164380526648 is a wasteful number, since it uses less digits than its factorization.

164380526648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92975447 (or 92975443 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 164380526648 in words is "one hundred sixty-four billion, three hundred eighty million, five hundred twenty-six thousand, six hundred forty-eight".