16779264054 has 64 divisors (see below), whose sum is σ = 39261818880. Its totient is φ = 4681504800.

The previous prime is 16779264053. The next prime is 16779264071. The reversal of 16779264054 is 45046297761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16779263988 and 16779264006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16779264053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351757 + ... + 396599.

It is an arithmetic number, because the mean of its divisors is an integer number (613465920).

Almost surely, 2^16779264054 is an apocalyptic number.

16779264054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16779264054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19630909440).

16779264054 is an abundant number, since it is smaller than the sum of its proper divisors (22482554826).

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

16779264054 is a wasteful number, since it uses less digits than its factorization.

16779264054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45065.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 16779264054 in words is "sixteen billion, seven hundred seventy-nine million, two hundred sixty-four thousand, fifty-four".