16016245551251 has 4 divisors (see below), whose sum is σ = 17472267874104. Its totient is φ = 14560223228400.

The previous prime is 16016245551181. The next prime is 16016245551259. The reversal of 16016245551251 is 15215554261061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16016245551251 - 2¹⁴ = 16016245534867 is a prime.

It is a super-3 number, since 3×16016245551251³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16016245551259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728011161410 + ... + 728011161431.

It is an arithmetic number, because the mean of its divisors is an integer number (4368066968526).

Almost surely, 2^{16016245551251} is an apocalyptic number.

16016245551251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16016245551251 is a deficient number, since it is larger than the sum of its proper divisors (1456022322853).

16016245551251 is a wasteful number, since it uses less digits than its factorization.

16016245551251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456022322852.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 16016245551251 in words is "sixteen trillion, sixteen billion, two hundred forty-five million, five hundred fifty-one thousand, two hundred fifty-one".