164101235540 has 48 divisors (see below), whose sum is σ = 377626959360. Its totient is φ = 59405566080.

The previous prime is 164101235513. The next prime is 164101235579. The reversal of 164101235540 is 45532101461.

It is a junction number, because it is equal to n+sod(n) for n = 164101235497 and 164101235506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623395 + ... + 1721514.

It is an arithmetic number, because the mean of its divisors is an integer number (7867228320).

Almost surely, 2^164101235540 is an apocalyptic number.

164101235540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164101235540 is an abundant number, since it is smaller than the sum of its proper divisors (213525723820).

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

164101235540 is a wasteful number, since it uses less digits than its factorization.

164101235540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345152 (or 3345150 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 164101235540 in words is "one hundred sixty-four billion, one hundred one million, two hundred thirty-five thousand, five hundred forty".