1665114356 has 12 divisors (see below), whose sum is σ = 2968930692. Its totient is φ = 816848448.

The previous prime is 1665114323. The next prime is 1665114359. The reversal of 1665114356 is 6534115661.

It can be written as a sum of positive squares in 2 ways, for example, as 1452829456 + 212284900 = 38116^2 + 14570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665114359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3926945 + ... + 3927368.

It is an arithmetic number, because the mean of its divisors is an integer number (247410891).

Almost surely, 2^1665114356 is an apocalyptic number.

It is an amenable number.

1665114356 is a deficient number, since it is larger than the sum of its proper divisors (1303816336).

1665114356 is a wasteful number, since it uses less digits than its factorization.

1665114356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854370 (or 7854368 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 1665114356 is about 40805.8127722020. The cubic root of 1665114356 is about 1185.2628935973.

The spelling of 1665114356 in words is "one billion, six hundred sixty-five million, one hundred fourteen thousand, three hundred fifty-six".