16953339430511 has 16 divisors (see below), whose sum is σ = 18945839920896. Its totient is φ = 15036061560000.

The previous prime is 16953339430501. The next prime is 16953339430553. The reversal of 16953339430511 is 11503493335961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16953339430511 is a prime.

It is a super-2 number, since 2×16953339430511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16953339430501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68532716 + ... + 68779646.

It is an arithmetic number, because the mean of its divisors is an integer number (1184114995056).

Almost surely, 2^{16953339430511} is an apocalyptic number.

16953339430511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16953339430511 is a deficient number, since it is larger than the sum of its proper divisors (1992500490385).

16953339430511 is a wasteful number, since it uses less digits than its factorization.

16953339430511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399214.

The product of its (nonzero) digits is 3936600, while the sum is 53.

The spelling of 16953339430511 in words is "sixteen trillion, nine hundred fifty-three billion, three hundred thirty-nine million, four hundred thirty thousand, five hundred eleven".