16054610778 has 16 divisors (see below), whose sum is σ = 35676912960. Its totient is φ = 5351536908.

The previous prime is 16054610771. The next prime is 16054610779. The reversal of 16054610778 is 87701645061.

It is not an unprimeable number, because it can be changed into a prime (16054610771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148653750 + ... + 148653857.

It is an arithmetic number, because the mean of its divisors is an integer number (2229807060).

Almost surely, 2^16054610778 is an apocalyptic number.

16054610778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16054610778 is an abundant number, since it is smaller than the sum of its proper divisors (19622302182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16054610778 is a wasteful number, since it uses less digits than its factorization.

16054610778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297307618 (or 297307612 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 16054610778 in words is "sixteen billion, fifty-four million, six hundred ten thousand, seven hundred seventy-eight".