16650651066016 has 36 divisors (see below), whose sum is σ = 36031974513066. Its totient is φ = 7568477755520.

The previous prime is 16650651066011. The next prime is 16650651066037. The reversal of 16650651066016 is 61066015605661.

It can be written as a sum of positive squares in only one way, i.e., 14587969136400 + 2062681929616 = 3819420^2 + 1436204^2 .

It is a super-2 number, since 2×16650651066016² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16650651066011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150131855 + ... + 2150139598.

Almost surely, 2^{16650651066016} is an apocalyptic number.

16650651066016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16650651066016 is an abundant number, since it is smaller than the sum of its proper divisors (19381323447050).

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

16650651066016 is a wasteful number, since it uses less digits than its factorization.

16650651066016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300271485 (or 4300271466 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 16650651066016 in words is "sixteen trillion, six hundred fifty billion, six hundred fifty-one million, sixty-six thousand, sixteen".