164075681432 has 32 divisors (see below), whose sum is σ = 332595849600. Its totient is φ = 75432566784.

The previous prime is 164075681431. The next prime is 164075681491. The reversal of 164075681432 is 234186570461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164075681431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3042632 + ... + 3096087.

It is an arithmetic number, because the mean of its divisors is an integer number (10393620300).

Almost surely, 2^164075681432 is an apocalyptic number.

It is an amenable number.

164075681432 is an abundant number, since it is smaller than the sum of its proper divisors (168520168168).

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

164075681432 is a wasteful number, since it uses less digits than its factorization.

164075681432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138995 (or 6138991 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 164075681432 in words is "one hundred sixty-four billion, seventy-five million, six hundred eighty-one thousand, four hundred thirty-two".