65946482220 has 24 divisors (see below), whose sum is σ = 184650150384. Its totient is φ = 17585728576.

The previous prime is 65946482207. The next prime is 65946482243. The reversal of 65946482220 is 2228464956.

It is a super-2 number, since 2×65946482220² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65946482220.

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, 549553959 + ... + 549554078.

It is an arithmetic number, because the mean of its divisors is an integer number (7693756266).

Almost surely, 2^65946482220 is an apocalyptic number.

65946482220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65946482220 is an abundant number, since it is smaller than the sum of its proper divisors (118703668164).

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

65946482220 is a wasteful number, since it uses less digits than its factorization.

65946482220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099108049 (or 1099108047 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 65946482220 in words is "sixty-five billion, nine hundred forty-six million, four hundred eighty-two thousand, two hundred twenty".