164372378780 has 48 divisors (see below), whose sum is σ = 353822700000. Its totient is φ = 64108412928.

The previous prime is 164372378777. The next prime is 164372378809. The reversal of 164372378780 is 87873273461.

164372378780 is digitally balanced in base 2, 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330596 + ... + 661844.

It is an arithmetic number, because the mean of its divisors is an integer number (7371306250).

Almost surely, 2^164372378780 is an apocalyptic number.

164372378780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164372378780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176911350000).

164372378780 is an abundant number, since it is smaller than the sum of its proper divisors (189450321220).

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

164372378780 is a wasteful number, since it uses less digits than its factorization.

164372378780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331878 (or 331876 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 164372378780 in words is "one hundred sixty-four billion, three hundred seventy-two million, three hundred seventy-eight thousand, seven hundred eighty".