16442664001429 has 8 divisors (see below), whose sum is σ = 16553817761600. Its totient is φ = 16331540004000.

The previous prime is 16442664001373. The next prime is 16442664001433. The reversal of 16442664001429 is 92410046624461.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442664001429 is a prime.

It is a super-3 number, since 3×16442664001429³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442664001129) 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, 6331479 + ... + 8542420.

It is an arithmetic number, because the mean of its divisors is an integer number (2069227220200).

Almost surely, 2^{16442664001429} is an apocalyptic number.

It is an amenable number.

16442664001429 is a deficient number, since it is larger than the sum of its proper divisors (111153760171).

16442664001429 is a wasteful number, since it uses less digits than its factorization.

16442664001429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14881371.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 16442664001429 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-four million, one thousand, four hundred twenty-nine".