64165146 has 16 divisors (see below), whose sum is σ = 128412000. Its totient is φ = 21374768.

The previous prime is 64165121. The next prime is 64165151. The reversal of 64165146 is 64156146.

It is a happy number.

64165146 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 2×64165146² = 8234331922402632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12580 + ... + 16928.

It is an arithmetic number, because the mean of its divisors is an integer number (8025750).

Almost surely, 2^64165146 is an apocalyptic number.

64165146 is an abundant number, since it is smaller than the sum of its proper divisors (64246854).

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

64165146 is a wasteful number, since it uses less digits than its factorization.

64165146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its digits is 17280, while the sum is 33.

The square root of 64165146 is about 8010.3149750806. The cubic root of 64165146 is about 400.3437586570.

The spelling of 64165146 in words is "sixty-four million, one hundred sixty-five thousand, one hundred forty-six".