2662310646021 has 16 divisors (see below), whose sum is σ = 3822870106944. Its totient is φ = 1638317122944.

The previous prime is 2662310645941. The next prime is 2662310646029. The reversal of 2662310646021 is 1206460132662.

It is not a de Polignac number, because 2662310646021 - 2⁹ = 2662310645509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662310646029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870210 + ... + 2970236.

It is an arithmetic number, because the mean of its divisors is an integer number (238929381684).

Almost surely, 2^{2662310646021} is an apocalyptic number.

It is an amenable number.

2662310646021 is a deficient number, since it is larger than the sum of its proper divisors (1160559460923).

2662310646021 is a wasteful number, since it uses less digits than its factorization.

2662310646021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162100.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 2662310646021 its reverse (1206460132662), we get a palindrome (3868770778683).

The spelling of 2662310646021 in words is "two trillion, six hundred sixty-two billion, three hundred ten million, six hundred forty-six thousand, twenty-one".