164562413640 has 64 divisors (see below), whose sum is σ = 495843163200. Its totient is φ = 43691672832.

The previous prime is 164562413629. The next prime is 164562413641. The reversal of 164562413640 is 46314265461.

It is a junction number, because it is equal to n+sod(n) for n = 164562413592 and 164562413601.

It is not an unprimeable number, because it can be changed into a prime (164562413641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966742 + ... + 3021701.

It is an arithmetic number, because the mean of its divisors is an integer number (7747549425).

Almost surely, 2^164562413640 is an apocalyptic number.

164562413640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164562413640 is an abundant number, since it is smaller than the sum of its proper divisors (331280749560).

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

164562413640 is a wasteful number, since it uses less digits than its factorization.

164562413640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988686 (or 5988682 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 164562413640 in words is "one hundred sixty-four billion, five hundred sixty-two million, four hundred thirteen thousand, six hundred forty".