65525532764 has 6 divisors (see below), whose sum is σ = 114669682344. Its totient is φ = 32762766380.

The previous prime is 65525532727. The next prime is 65525532767. The reversal of 65525532764 is 46723552556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65525532767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8190691592 + ... + 8190691599.

It is an arithmetic number, because the mean of its divisors is an integer number (19111613724).

Almost surely, 2^65525532764 is an apocalyptic number.

It is an amenable number.

65525532764 is a deficient number, since it is larger than the sum of its proper divisors (49144149580).

65525532764 is a wasteful number, since it uses less digits than its factorization.

65525532764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381383195 (or 16381383193 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 50.

The spelling of 65525532764 in words is "sixty-five billion, five hundred twenty-five million, five hundred thirty-two thousand, seven hundred sixty-four".