16442072005 has 8 divisors (see below), whose sum is σ = 19736665632. Its totient is φ = 13149538128.

The previous prime is 16442071979. The next prime is 16442072011. The reversal of 16442072005 is 50027024461.

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 16442072005 - 2²³ = 16433683397 is a prime.

It is a super-3 number, since 3×16442072005³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497319 + ... + 529348.

It is an arithmetic number, because the mean of its divisors is an integer number (2467083204).

Almost surely, 2^16442072005 is an apocalyptic number.

It is an amenable number.

16442072005 is a deficient number, since it is larger than the sum of its proper divisors (3294593627).

16442072005 is a wasteful number, since it uses less digits than its factorization.

16442072005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029875.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 16442072005 its reverse (50027024461), we get a palindrome (66469096466).

The spelling of 16442072005 in words is "sixteen billion, four hundred forty-two million, seventy-two thousand, five".