16650342691329 has 8 divisors (see below), whose sum is σ = 22206133351872. Its totient is φ = 11097390245840.

The previous prime is 16650342691327. The next prime is 16650342691331. The reversal of 16650342691329 is 92319624305661.

It is an interprime number because it is at equal distance from previous prime (16650342691327) and next prime (16650342691331).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16650342691329 - 2¹ = 16650342691327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16650342691327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709540074 + ... + 709563539.

It is an arithmetic number, because the mean of its divisors is an integer number (2775766668984).

Almost surely, 2^{16650342691329} is an apocalyptic number.

It is an amenable number.

16650342691329 is a deficient number, since it is larger than the sum of its proper divisors (5555790660543).

16650342691329 is a wasteful number, since it uses less digits than its factorization.

16650342691329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419107527.

The product of its (nonzero) digits is 12597120, while the sum is 57.

The spelling of 16650342691329 in words is "sixteen trillion, six hundred fifty billion, three hundred forty-two million, six hundred ninety-one thousand, three hundred twenty-nine".