16512748518 has 32 divisors (see below), whose sum is σ = 37794295296. Its totient is φ = 4711569408.

The previous prime is 16512748493. The next prime is 16512748561. The reversal of 16512748518 is 81584721561.

It is a super-2 number, since 2×16512748518² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 233371 + ... + 295782.

It is an arithmetic number, because the mean of its divisors is an integer number (1181071728).

Almost surely, 2^16512748518 is an apocalyptic number.

16512748518 is an abundant number, since it is smaller than the sum of its proper divisors (21281546778).

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

16512748518 is a wasteful number, since it uses less digits than its factorization.

16512748518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529908.

The product of its digits is 537600, while the sum is 48.

The spelling of 16512748518 in words is "sixteen billion, five hundred twelve million, seven hundred forty-eight thousand, five hundred eighteen".