16662572522711 has 16 divisors (see below), whose sum is σ = 17079523913088. Its totient is φ = 16246125772800.

The previous prime is 16662572522699. The next prime is 16662572522747. The reversal of 16662572522711 is 11722527526661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16662572522711 is a prime.

It is a super-2 number, since 2×16662572522711² (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 (16662572522611) 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, 1118511215 + ... + 1118526111.

It is an arithmetic number, because the mean of its divisors is an integer number (1067470244568).

Almost surely, 2^{16662572522711} is an apocalyptic number.

16662572522711 is a deficient number, since it is larger than the sum of its proper divisors (416951390377).

16662572522711 is a wasteful number, since it uses less digits than its factorization.

16662572522711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962.

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

The spelling of 16662572522711 in words is "sixteen trillion, six hundred sixty-two billion, five hundred seventy-two million, five hundred twenty-two thousand, seven hundred eleven".