1606381716 has 24 divisors (see below), whose sum is σ = 3748877440. Its totient is φ = 535367232.

The previous prime is 1606381597. The next prime is 1606381729. The reversal of 1606381716 is 6171836061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115320 + ... + 128496.

Almost surely, 2^1606381716 is an apocalyptic number.

It is an amenable number.

1606381716 is an abundant number, since it is smaller than the sum of its proper divisors (2142495724).

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

1606381716 is a wasteful number, since it uses less digits than its factorization.

1606381716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23343 (or 23341 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1606381716 is about 40079.6920646853. The cubic root of 1606381716 is about 1171.1600533150.

It can be divided in two parts, 16063 and 81716, that added together give a palindrome (97779).

The spelling of 1606381716 in words is "one billion, six hundred six million, three hundred eighty-one thousand, seven hundred sixteen".