1518005127664 has 40 divisors (see below), whose sum is σ = 3036339947520. Its totient is φ = 734438846400.

The previous prime is 1518005127649. The next prime is 1518005127679. The reversal of 1518005127664 is 4667215008151.

It is an interprime number because it is at equal distance from previous prime (1518005127649) and next prime (1518005127679).

It is a super-2 number, since 2×1518005127664² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4540149 + ... + 4863019.

It is an arithmetic number, because the mean of its divisors is an integer number (75908498688).

Almost surely, 2^{1518005127664} is an apocalyptic number.

It is an amenable number.

1518005127664 is an abundant number, since it is smaller than the sum of its proper divisors (1518334819856).

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

1518005127664 is a wasteful number, since it uses less digits than its factorization.

1518005127664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332389 (or 332383 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 1518005127664 in words is "one trillion, five hundred eighteen billion, five million, one hundred twenty-seven thousand, six hundred sixty-four".