65846661001 has 8 divisors (see below), whose sum is σ = 72426381408. Its totient is φ = 59860599700.

The previous prime is 65846660987. The next prime is 65846661059. The reversal of 65846661001 is 10016664856.

65846661001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65846661001 - 2¹⁵ = 65846628233 is a prime.

It is a super-2 number, since 2×65846661001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65846611001) 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, 24734455 + ... + 24737116.

It is an arithmetic number, because the mean of its divisors is an integer number (9053297676).

Almost surely, 2^65846661001 is an apocalyptic number.

It is an amenable number.

65846661001 is a deficient number, since it is larger than the sum of its proper divisors (6579720407).

65846661001 is an equidigital number, since it uses as much as digits as its factorization.

65846661001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49471604 (or 49471582 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 65846661001 in words is "sixty-five billion, eight hundred forty-six million, six hundred sixty-one thousand, one".