65375564 has 6 divisors (see below), whose sum is σ = 114407244. Its totient is φ = 32687780.

The previous prime is 65375549. The next prime is 65375567. The reversal of 65375564 is 46557356.

It is not an unprimeable number, because it can be changed into a prime (65375567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8171942 + ... + 8171949.

It is an arithmetic number, because the mean of its divisors is an integer number (19067874).

Almost surely, 2^65375564 is an apocalyptic number.

It is an amenable number.

65375564 is a deficient number, since it is larger than the sum of its proper divisors (49031680).

65375564 is a wasteful number, since it uses less digits than its factorization.

65375564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343895 (or 16343893 counting only the distinct ones).

The product of its digits is 378000, while the sum is 41.

The square root of 65375564 is about 8085.5156916550. The cubic root of 65375564 is about 402.8454686067.

The spelling of 65375564 in words is "sixty-five million, three hundred seventy-five thousand, five hundred sixty-four".