16442023620025 has 48 divisors (see below), whose sum is σ = 22044424780800. Its totient is φ = 12127849493760.

The previous prime is 16442023620023. The next prime is 16442023620049. The reversal of 16442023620025 is 52002632024461.

It is not a de Polignac number, because 16442023620025 - 2¹ = 16442023620023 is a prime.

It is a super-3 number, since 3×16442023620025³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442023620023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9309511 + ... + 10933939.

It is an arithmetic number, because the mean of its divisors is an integer number (459258849600).

Almost surely, 2^{16442023620025} is an apocalyptic number.

It is an amenable number.

16442023620025 is a deficient number, since it is larger than the sum of its proper divisors (5602401160775).

16442023620025 is a wasteful number, since it uses less digits than its factorization.

16442023620025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625098 (or 1625093 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 16442023620025 its reverse (52002632024461), we get a palindrome (68444655644486).

The spelling of 16442023620025 in words is "sixteen trillion, four hundred forty-two billion, twenty-three million, six hundred twenty thousand, twenty-five".