16006210025 has 24 divisors (see below), whose sum is σ = 22303780800. Its totient is φ = 11306053440.

The previous prime is 16006210021. The next prime is 16006210079. The reversal of 16006210025 is 52001260061.

It is not a de Polignac number, because 16006210025 - 2² = 16006210021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (16006210021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1063175 + ... + 1078124.

It is an arithmetic number, because the mean of its divisors is an integer number (929324200).

Almost surely, 2^16006210025 is an apocalyptic number.

It is an amenable number.

16006210025 is a deficient number, since it is larger than the sum of its proper divisors (6297570775).

16006210025 is a wasteful number, since it uses less digits than its factorization.

16006210025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141345 (or 2141340 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 16006210025 its reverse (52001260061), we get a palindrome (68007470086).

The spelling of 16006210025 in words is "sixteen billion, six million, two hundred ten thousand, twenty-five".