65522033412 has 48 divisors (see below), whose sum is σ = 168894566400. Its totient is φ = 19603827360.

The previous prime is 65522033389. The next prime is 65522033443. The reversal of 65522033412 is 21433022556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3131212 + ... + 3152067.

It is an arithmetic number, because the mean of its divisors is an integer number (3518636800).

Almost surely, 2^65522033412 is an apocalyptic number.

It is an amenable number.

65522033412 is an abundant number, since it is smaller than the sum of its proper divisors (103372532988).

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

65522033412 is a wasteful number, since it uses less digits than its factorization.

65522033412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283376 (or 6283374 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 65522033412 its reverse (21433022556), we get a palindrome (86955055968).

The spelling of 65522033412 in words is "sixty-five billion, five hundred twenty-two million, thirty-three thousand, four hundred twelve".