65496564 has 36 divisors (see below), whose sum is σ = 189213024. Its totient is φ = 18713232.

The previous prime is 65496559. The next prime is 65496569. The reversal of 65496564 is 46569456.

It is an interprime number because it is at equal distance from previous prime (65496559) and next prime (65496569).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65496569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129702 + ... + 130205.

Almost surely, 2^65496564 is an apocalyptic number.

It is an amenable number.

65496564 is an abundant number, since it is smaller than the sum of its proper divisors (123716460).

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

65496564 is a wasteful number, since it uses less digits than its factorization.

65496564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259924 (or 259919 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 65496564 is about 8092.9947485464. The cubic root of 65496564 is about 403.0938501981.

The spelling of 65496564 in words is "sixty-five million, four hundred ninety-six thousand, five hundred sixty-four".