164248894740 has 72 divisors (see below), whose sum is σ = 534982123872. Its totient is φ = 37542603840.

The previous prime is 164248894703. The next prime is 164248894763. The reversal of 164248894740 is 47498842461.

164248894740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27930546 + ... + 27936425.

It is an arithmetic number, because the mean of its divisors is an integer number (7430307276).

Almost surely, 2^164248894740 is an apocalyptic number.

164248894740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164248894740 is an abundant number, since it is smaller than the sum of its proper divisors (370733229132).

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

164248894740 is a wasteful number, since it uses less digits than its factorization.

164248894740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55866997 (or 55866988 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 164248894740 in words is "one hundred sixty-four billion, two hundred forty-eight million, eight hundred ninety-four thousand, seven hundred forty".