1776161016 has 384 divisors, whose sum is σ = 6065280000. Its totient is φ = 468179712.

The previous prime is 1776160979. The next prime is 1776161017. The reversal of 1776161016 is 6101616771.

1776161016 is a `hidden beast` number, since 17 + 7 + 616 + 10 + 16 = 666.

1776161016 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1776161017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30104395 + ... + 30104453.

It is an arithmetic number, because the mean of its divisors is an integer number (15795000).

Almost surely, 2^1776161016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1776161016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3032640000).

1776161016 is an abundant number, since it is smaller than the sum of its proper divisors (4289118984).

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

1776161016 is a wasteful number, since it uses less digits than its factorization.

1776161016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 1776161016 is about 42144.5253384114. The cubic root of 1776161016 is about 1211.0463857849.

Adding to 1776161016 its reverse (6101616771), we get a palindrome (7877777787).

The spelling of 1776161016 in words is "one billion, seven hundred seventy-six million, one hundred sixty-one thousand, sixteen".