16065501551108 has 6 divisors (see below), whose sum is σ = 28114627714446. Its totient is φ = 8032750775552.

The previous prime is 16065501551101. The next prime is 16065501551117. The reversal of 16065501551108 is 80115510556061.

It can be written as a sum of positive squares in only one way, i.e., 16064769415744 + 732135364 = 4008088^2 + 27058^2 .

It is not an unprimeable number, because it can be changed into a prime (16065501551101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008187693885 + ... + 2008187693892.

It is an arithmetic number, because the mean of its divisors is an integer number (4685771285741).

Almost surely, 2^{16065501551108} is an apocalyptic number.

It is an amenable number.

16065501551108 is a deficient number, since it is larger than the sum of its proper divisors (12049126163338).

16065501551108 is a wasteful number, since it uses less digits than its factorization.

16065501551108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016375387781 (or 4016375387779 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 44.

The spelling of 16065501551108 in words is "sixteen trillion, sixty-five billion, five hundred one million, five hundred fifty-one thousand, one hundred eight".