64066534 has 16 divisors (see below), whose sum is σ = 110027808. Its totient is φ = 27407232.

The previous prime is 64066487. The next prime is 64066549. The reversal of 64066534 is 43566046.

It is a self number, because there is not a number n which added to its sum of digits gives 64066534.

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, 4444 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (6876738).

Almost surely, 2^64066534 is an apocalyptic number.

64066534 is a deficient number, since it is larger than the sum of its proper divisors (45961274).

64066534 is a wasteful number, since it uses less digits than its factorization.

64066534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 64066534 is about 8004.1572948062. The cubic root of 64066534 is about 400.1385644942.

The spelling of 64066534 in words is "sixty-four million, sixty-six thousand, five hundred thirty-four".