16045766251 has 8 divisors (see below), whose sum is σ = 17050101264. Its totient is φ = 15048149760.

The previous prime is 16045766227. The next prime is 16045766257. The reversal of 16045766251 is 15266754061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16045766251 - 2²¹ = 16043669099 is a prime.

It is a super-3 number, since 3×16045766251³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16045766198 and 16045766207.

It is not an unprimeable number, because it can be changed into a prime (16045766257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674705 + ... + 1684258.

It is an arithmetic number, because the mean of its divisors is an integer number (2131262658).

Almost surely, 2^16045766251 is an apocalyptic number.

16045766251 is a deficient number, since it is larger than the sum of its proper divisors (1004335013).

16045766251 is a wasteful number, since it uses less digits than its factorization.

16045766251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359261.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 16045766251 in words is "sixteen billion, forty-five million, seven hundred sixty-six thousand, two hundred fifty-one".