65610212001 has 8 divisors (see below), whose sum is σ = 89844614784. Its totient is φ = 42557975280.

The previous prime is 65610211951. The next prime is 65610212011. The reversal of 65610212001 is 10021201656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65610212001 - 2⁹ = 65610211489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65610212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295541385 + ... + 295541606.

It is an arithmetic number, because the mean of its divisors is an integer number (11230576848).

Almost surely, 2^65610212001 is an apocalyptic number.

It is an amenable number.

65610212001 is a deficient number, since it is larger than the sum of its proper divisors (24234402783).

65610212001 is a wasteful number, since it uses less digits than its factorization.

65610212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591083031.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 65610212001 its reverse (10021201656), we get a palindrome (75631413657).

The spelling of 65610212001 in words is "sixty-five billion, six hundred ten million, two hundred twelve thousand, one".