164803086940 has 24 divisors (see below), whose sum is σ = 351952357680. Its totient is φ = 64803925248.

The previous prime is 164803086781. The next prime is 164803086949. The reversal of 164803086940 is 49680308461.

164803086940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164803086949) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 69830637 + ... + 69832996.

It is an arithmetic number, because the mean of its divisors is an integer number (14664681570).

Almost surely, 2^164803086940 is an apocalyptic number.

164803086940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164803086940 is an abundant number, since it is smaller than the sum of its proper divisors (187149270740).

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

164803086940 is a wasteful number, since it uses less digits than its factorization.

164803086940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139663701 (or 139663699 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 164803086940 in words is "one hundred sixty-four billion, eight hundred three million, eighty-six thousand, nine hundred forty".