16440623034129 has 32 divisors (see below), whose sum is σ = 27857739776000. Its totient is φ = 9387296293392.

The previous prime is 16440623034119. The next prime is 16440623034133. The reversal of 16440623034129 is 92143032604461.

16440623034129 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 0 + 623 + 0 + 3 + 4 + 12 + 9 = 666.

It is not a de Polignac number, because 16440623034129 - 2⁸ = 16440623033873 is a prime.

It is a super-3 number, since 3×16440623034129³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16440623034119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33764299 + ... + 34247760.

It is an arithmetic number, because the mean of its divisors is an integer number (870554368000).

Almost surely, 2^{16440623034129} is an apocalyptic number.

It is an amenable number.

16440623034129 is a deficient number, since it is larger than the sum of its proper divisors (11417116741871).

16440623034129 is a wasteful number, since it uses less digits than its factorization.

16440623034129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68013354 (or 68013348 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 16440623034129 in words is "sixteen trillion, four hundred forty billion, six hundred twenty-three million, thirty-four thousand, one hundred twenty-nine".