164910033940 has 12 divisors (see below), whose sum is σ = 346311071316. Its totient is φ = 65964013568.

The previous prime is 164910033923. The next prime is 164910033941. The reversal of 164910033940 is 49330019461.

It can be written as a sum of positive squares in 2 ways, for example, as 36949297284 + 127960736656 = 192222^2 + 357716^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164910033893 and 164910033902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164910033941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4122750829 + ... + 4122750868.

It is an arithmetic number, because the mean of its divisors is an integer number (28859255943).

Almost surely, 2^164910033940 is an apocalyptic number.

164910033940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164910033940 is an abundant number, since it is smaller than the sum of its proper divisors (181401037376).

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

164910033940 is a wasteful number, since it uses less digits than its factorization.

164910033940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245501706 (or 8245501704 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 164910033940 in words is "one hundred sixty-four billion, nine hundred ten million, thirty-three thousand, nine hundred forty".