16442066423015 has 32 divisors (see below), whose sum is σ = 20425408118784. Its totient is φ = 12696061150080.

The previous prime is 16442066422967. The next prime is 16442066423017. The reversal of 16442066423015 is 51032466024461.

It is not a de Polignac number, because 16442066423015 - 2¹⁴ = 16442066406631 is a prime.

It is a super-3 number, since 3×16442066423015³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442066423017) 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, 269480642 + ... + 269541648.

It is an arithmetic number, because the mean of its divisors is an integer number (638294003712).

Almost surely, 2^{16442066423015} is an apocalyptic number.

16442066423015 is a deficient number, since it is larger than the sum of its proper divisors (3983341695769).

16442066423015 is a wasteful number, since it uses less digits than its factorization.

16442066423015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72647.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 16442066423015 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, four hundred twenty-three thousand, fifteen".