16478550658 has 32 divisors (see below), whose sum is σ = 25555815936. Its totient is φ = 7963100928.

The previous prime is 16478550643. The next prime is 16478550659. The reversal of 16478550658 is 85605587461.

16478550658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16478550599 and 16478550608.

It is not an unprimeable number, because it can be changed into a prime (16478550659) 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 15 ways as a sum of consecutive naturals, for example, 10610010 + ... + 10611562.

It is an arithmetic number, because the mean of its divisors is an integer number (798619248).

Almost surely, 2^16478550658 is an apocalyptic number.

16478550658 is a deficient number, since it is larger than the sum of its proper divisors (9077265278).

16478550658 is a wasteful number, since it uses less digits than its factorization.

16478550658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 16478550658 in words is "sixteen billion, four hundred seventy-eight million, five hundred fifty thousand, six hundred fifty-eight".