65502212356 has 81 divisors (see below), whose sum is σ = 135425279871. Its totient is φ = 27640872000.

The previous prime is 65502212291. The next prime is 65502212357. The reversal of 65502212356 is 65321220556.

The square root of 65502212356 is 255934.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 579172356 + 64923040000 = 24066^2 + 254800^2 .

It is not an unprimeable number, because it can be changed into a prime (65502212357) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 361890586 + ... + 361890766.

Almost surely, 2^65502212356 is an apocalyptic number.

65502212356 is the 255934-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65502212356

65502212356 is an abundant number, since it is smaller than the sum of its proper divisors (69923067515).

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

65502212356 is a wasteful number, since it uses less digits than its factorization.

65502212356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 65502212356 in words is "sixty-five billion, five hundred two million, two hundred twelve thousand, three hundred fifty-six".