1662013101005 has 4 divisors (see below), whose sum is σ = 1994415721212. Its totient is φ = 1329610480800.

The previous prime is 1662013100987. The next prime is 1662013101017. The reversal of 1662013101005 is 5001013102661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1277218679881 + 384794421124 = 1130141^2 + 620318^2 .

It is not a de Polignac number, because 1662013101005 - 2¹⁸ = 1662012838861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166201310096 + ... + 166201310105.

It is an arithmetic number, because the mean of its divisors is an integer number (498603930303).

Almost surely, 2^{1662013101005} is an apocalyptic number.

It is an amenable number.

1662013101005 is a deficient number, since it is larger than the sum of its proper divisors (332402620207).

1662013101005 is an equidigital number, since it uses as much as digits as its factorization.

1662013101005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332402620206.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 1662013101005 its reverse (5001013102661), we get a palindrome (6663026203666).

The spelling of 1662013101005 in words is "one trillion, six hundred sixty-two billion, thirteen million, one hundred one thousand, five".