16140622251 has 8 divisors (see below), whose sum is σ = 23176278160. Its totient is φ = 9932690592.

The previous prime is 16140622237. The next prime is 16140622261. The reversal of 16140622251 is 15222604161.

16140622251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16140622251 - 2⁵ = 16140622219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16140622261) 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 7 ways as a sum of consecutive naturals, for example, 206931016 + ... + 206931093.

It is an arithmetic number, because the mean of its divisors is an integer number (2897034770).

Almost surely, 2^16140622251 is an apocalyptic number.

16140622251 is a deficient number, since it is larger than the sum of its proper divisors (7035655909).

16140622251 is a wasteful number, since it uses less digits than its factorization.

16140622251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413862125.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 16140622251 in words is "sixteen billion, one hundred forty million, six hundred twenty-two thousand, two hundred fifty-one".