16757213523218 has 16 divisors (see below), whose sum is σ = 28743559771200. Its totient is φ = 7177435934256.

The previous prime is 16757213523137. The next prime is 16757213523223. The reversal of 16757213523218 is 81232531275761.

It is a self number, because there is not a number n which added to its sum of digits gives 16757213523218.

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, 352225721 + ... + 352273292.

It is an arithmetic number, because the mean of its divisors is an integer number (1796472485700).

Almost surely, 2^{16757213523218} is an apocalyptic number.

16757213523218 is a deficient number, since it is larger than the sum of its proper divisors (11986346247982).

16757213523218 is a wasteful number, since it uses less digits than its factorization.

16757213523218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704500721.

The product of its digits is 4233600, while the sum is 53.

Adding to 16757213523218 its reverse (81232531275761), we get a palindrome (97989744798979).

The spelling of 16757213523218 in words is "sixteen trillion, seven hundred fifty-seven billion, two hundred thirteen million, five hundred twenty-three thousand, two hundred eighteen".