164753780 has 24 divisors (see below), whose sum is σ = 346232040. Its totient is φ = 65854080.

The previous prime is 164753777. The next prime is 164753791. The reversal of 164753780 is 87357461.

It can be written as a sum of positive squares in 4 ways, for example, as 13512976 + 151240804 = 3676^2 + 12298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42566 + ... + 46274.

It is an arithmetic number, because the mean of its divisors is an integer number (14426335).

Almost surely, 2^164753780 is an apocalyptic number.

164753780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164753780 is an abundant number, since it is smaller than the sum of its proper divisors (181478260).

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

164753780 is a wasteful number, since it uses less digits than its factorization.

164753780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 164753780 is about 12835.6449000430. The cubic root of 164753780 is about 548.2076973909.

The spelling of 164753780 in words is "one hundred sixty-four million, seven hundred fifty-three thousand, seven hundred eighty".