1516004661006 has 80 divisors (see below), whose sum is σ = 3706513900848. Its totient is φ = 459305510400.

The previous prime is 1516004660959. The next prime is 1516004661043. The reversal of 1516004661006 is 6001664006151.

It is a happy number.

1516004661006 is a `hidden beast` number, since 1 + 5 + 1 + 600 + 46 + 6 + 1 + 0 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9330196 + ... + 9491288.

Almost surely, 2^{1516004661006} is an apocalyptic number.

1516004661006 is an abundant number, since it is smaller than the sum of its proper divisors (2190509239842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1516004661006 is a wasteful number, since it uses less digits than its factorization.

1516004661006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166399 (or 166390 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 1516004661006 its reverse (6001664006151), we get a palindrome (7517668667157).

The spelling of 1516004661006 in words is "one trillion, five hundred sixteen billion, four million, six hundred sixty-one thousand, six".