16012251016 has 8 divisors (see below), whose sum is σ = 30022970670. Its totient is φ = 8006125504.

The previous prime is 16012251001. The next prime is 16012251019. The reversal of 16012251016 is 61015221061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15707608900 + 304642116 = 125330^2 + 17454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16012251019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000765681 + ... + 1000765696.

Almost surely, 2^16012251016 is an apocalyptic number.

It is an amenable number.

16012251016 is a deficient number, since it is larger than the sum of its proper divisors (14010719654).

16012251016 is a wasteful number, since it uses less digits than its factorization.

16012251016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001531383 (or 2001531379 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 16012251016 its reverse (61015221061), we get a palindrome (77027472077).

The spelling of 16012251016 in words is "sixteen billion, twelve million, two hundred fifty-one thousand, sixteen".