164751668 has 24 divisors (see below), whose sum is σ = 311230080. Its totient is φ = 76076000.

The previous prime is 164751661. The next prime is 164751673. The reversal of 164751668 is 866157461.

164751668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164751668² = 54286224217564448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164751661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28208 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (12967920).

Almost surely, 2^164751668 is an apocalyptic number.

It is an amenable number.

164751668 is a deficient number, since it is larger than the sum of its proper divisors (146478412).

164751668 is a wasteful number, since it uses less digits than its factorization.

164751668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61807 (or 61805 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 164751668 is about 12835.5626288839. The cubic root of 164751668 is about 548.2053548658.

The spelling of 164751668 in words is "one hundred sixty-four million, seven hundred fifty-one thousand, six hundred sixty-eight".