64134160 has 20 divisors (see below), whose sum is σ = 149112108. Its totient is φ = 25653632.

The previous prime is 64134151. The next prime is 64134181. The reversal of 64134160 is 6143146.

It can be written as a sum of positive squares in 2 ways, for example, as 33131536 + 31002624 = 5756^2 + 5568^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×64134160² = 8226380957811200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400759 + ... + 400918.

Almost surely, 2^64134160 is an apocalyptic number.

It is an amenable number.

64134160 is an abundant number, since it is smaller than the sum of its proper divisors (84977948).

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

64134160 is a wasteful number, since it uses less digits than its factorization.

64134160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801690 (or 801684 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64134160 is about 8008.3806103357. The cubic root of 64134160 is about 400.2793049265.

The spelling of 64134160 in words is "sixty-four million, one hundred thirty-four thousand, one hundred sixty".