1660051101015 has 48 divisors (see below), whose sum is σ = 2918714419296. Its totient is φ = 872732448000.

The previous prime is 1660051100999. The next prime is 1660051101019. The reversal of 1660051101015 is 5101011500661.

1660051101015 is a `hidden beast` number, since 1 + 6 + 600 + 51 + 1 + 0 + 1 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 1660051101015 - 2⁴ = 1660051100999 is a prime.

It is a super-2 number, since 2×1660051101015² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1660051101015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660051101019) 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 47 ways as a sum of consecutive naturals, for example, 227205 + ... + 1836225.

It is an arithmetic number, because the mean of its divisors is an integer number (60806550402).

Almost surely, 2^{1660051101015} is an apocalyptic number.

1660051101015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1660051101015 is a deficient number, since it is larger than the sum of its proper divisors (1258663318281).

1660051101015 is a wasteful number, since it uses less digits than its factorization.

1660051101015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609360 (or 1609357 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 1660051101015 its reverse (5101011500661), we get a palindrome (6761062601676).

The spelling of 1660051101015 in words is "one trillion, six hundred sixty billion, fifty-one million, one hundred one thousand, fifteen".