65210265552 has 40 divisors (see below), whose sum is σ = 168470422560. Its totient is φ = 21735391360.

The previous prime is 65210265509. The next prime is 65210265569. The reversal of 65210265552 is 25556201256.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65210265552.

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, 986599 + ... + 1050617.

It is an arithmetic number, because the mean of its divisors is an integer number (4211760564).

Almost surely, 2^65210265552 is an apocalyptic number.

It is an amenable number.

65210265552 is an abundant number, since it is smaller than the sum of its proper divisors (103260157008).

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

65210265552 is a wasteful number, since it uses less digits than its factorization.

65210265552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85251 (or 85245 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 65210265552 in words is "sixty-five billion, two hundred ten million, two hundred sixty-five thousand, five hundred fifty-two".