16512040218 has 8 divisors (see below), whose sum is σ = 33024080448. Its totient is φ = 5504013404.

The previous prime is 16512040199. The next prime is 16512040241. The reversal of 16512040218 is 81204021561.

It is a sphenic number, since it is the product of 3 distinct primes.

16512040218 is an admirable 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, 1376003346 + ... + 1376003357.

It is an arithmetic number, because the mean of its divisors is an integer number (4128010056).

Almost surely, 2^16512040218 is an apocalyptic number.

16512040218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16512040218 is a wasteful number, since it uses less digits than its factorization.

16512040218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752006708.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 16512040218 its reverse (81204021561), we get a palindrome (97716061779).

The spelling of 16512040218 in words is "sixteen billion, five hundred twelve million, forty thousand, two hundred eighteen".