16475378068 has 6 divisors (see below), whose sum is σ = 28831911626. Its totient is φ = 8237689032.

The previous prime is 16475377993. The next prime is 16475378071. The reversal of 16475378068 is 86087357461.

It can be written as a sum of positive squares in only one way, i.e., 10032426244 + 6442951824 = 100162^2 + 80268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2059422255 + ... + 2059422262.

Almost surely, 2^16475378068 is an apocalyptic number.

It is an amenable number.

16475378068 is a deficient number, since it is larger than the sum of its proper divisors (12356533558).

16475378068 is a wasteful number, since it uses less digits than its factorization.

16475378068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118844521 (or 4118844519 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 16475378068 in words is "sixteen billion, four hundred seventy-five million, three hundred seventy-eight thousand, sixty-eight".