164755806 has 16 divisors (see below), whose sum is σ = 348894864. Its totient is φ = 51688064.

The previous prime is 164755781. The next prime is 164755837. The reversal of 164755806 is 608557461.

It is a super-2 number, since 2×164755806² = 54288951221419272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807525 + ... + 807728.

It is an arithmetic number, because the mean of its divisors is an integer number (21805929).

Almost surely, 2^164755806 is an apocalyptic number.

164755806 is an abundant number, since it is smaller than the sum of its proper divisors (184139058).

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

164755806 is a wasteful number, since it uses less digits than its factorization.

164755806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615275.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 164755806 is about 12835.7238206499. The cubic root of 164755806 is about 548.2099445103.

It can be divided in two parts, 164755 and 806, that added together give a palindrome (165561).

The spelling of 164755806 in words is "one hundred sixty-four million, seven hundred fifty-five thousand, eight hundred six".