16638015147 has 16 divisors (see below), whose sum is σ = 23917773600. Its totient is φ = 10227082752.

The previous prime is 16638015109. The next prime is 16638015161. The reversal of 16638015147 is 74151083661.

It is not a de Polignac number, because 16638015147 - 2⁸ = 16638014891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16638015099 and 16638015108.

It is not an unprimeable number, because it can be changed into a prime (16638015187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209022 + ... + 277427.

It is an arithmetic number, because the mean of its divisors is an integer number (1494860850).

Almost surely, 2^16638015147 is an apocalyptic number.

16638015147 is a deficient number, since it is larger than the sum of its proper divisors (7279758453).

16638015147 is a wasteful number, since it uses less digits than its factorization.

16638015147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487342.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 16638015147 in words is "sixteen billion, six hundred thirty-eight million, fifteen thousand, one hundred forty-seven".