164262251142 has 48 divisors (see below), whose sum is σ = 388286018640. Its totient is φ = 49772620800.

The previous prime is 164262251123. The next prime is 164262251159. The reversal of 164262251142 is 241152262461.

164262251142 is a `hidden beast` number, since 1 + 6 + 4 + 262 + 251 + 142 = 666.

164262251142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164262251097 and 164262251106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3598542 + ... + 3643902.

It is an arithmetic number, because the mean of its divisors is an integer number (8089292055).

Almost surely, 2^164262251142 is an apocalyptic number.

164262251142 is an abundant number, since it is smaller than the sum of its proper divisors (224023767498).

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

164262251142 is a wasteful number, since it uses less digits than its factorization.

164262251142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63669 (or 63666 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 164262251142 in words is "one hundred sixty-four billion, two hundred sixty-two million, two hundred fifty-one thousand, one hundred forty-two".