1766768349 has 16 divisors (see below), whose sum is σ = 2369633024. Its totient is φ = 1170892800.

The previous prime is 1766768347. The next prime is 1766768383. The reversal of 1766768349 is 9438676671.

It is not a de Polignac number, because 1766768349 - 2¹ = 1766768347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1766768347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484764 + ... + 488394.

It is an arithmetic number, because the mean of its divisors is an integer number (148102064).

Almost surely, 2^1766768349 is an apocalyptic number.

It is an amenable number.

1766768349 is a deficient number, since it is larger than the sum of its proper divisors (602864675).

1766768349 is a wasteful number, since it uses less digits than its factorization.

1766768349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548.

The product of its digits is 9144576, while the sum is 57.

The square root of 1766768349 is about 42032.9436156927. The cubic root of 1766768349 is about 1208.9078661743.

The spelling of 1766768349 in words is "one billion, seven hundred sixty-six million, seven hundred sixty-eight thousand, three hundred forty-nine".