65067221052 has 24 divisors (see below), whose sum is σ = 168692795600. Its totient is φ = 21689073648.

The previous prime is 65067221027. The next prime is 65067221057. The reversal of 65067221052 is 25012276056.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 65067220998 and 65067221016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65067221057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301237027 + ... + 301237242.

Almost surely, 2^65067221052 is an apocalyptic number.

It is an amenable number.

65067221052 is an abundant number, since it is smaller than the sum of its proper divisors (103625574548).

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

65067221052 is a wasteful number, since it uses less digits than its factorization.

65067221052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602474282 (or 602474274 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 65067221052 in words is "sixty-five billion, sixty-seven million, two hundred twenty-one thousand, fifty-two".