16011506206542 has 32 divisors (see below), whose sum is σ = 39924794697984. Its totient is φ = 4158832780800.

The previous prime is 16011506206499. The next prime is 16011506206559. The reversal of 16011506206542 is 24560260511061.

It is a self number, because there is not a number n which added to its sum of digits gives 16011506206542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17328469459 + ... + 17328470382.

It is an arithmetic number, because the mean of its divisors is an integer number (1247649834312).

Almost surely, 2^{16011506206542} is an apocalyptic number.

16011506206542 is an abundant number, since it is smaller than the sum of its proper divisors (23913288491442).

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

16011506206542 is a wasteful number, since it uses less digits than its factorization.

16011506206542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34656939864.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 16011506206542 in words is "sixteen trillion, eleven billion, five hundred six million, two hundred six thousand, five hundred forty-two".