1376666683 has 16 divisors (see below), whose sum is σ = 1590261696. Its totient is φ = 1167344640.

The previous prime is 1376666657. The next prime is 1376666699. The reversal of 1376666683 is 3866666731.

It is a de Polignac number, because none of the positive numbers 2^k-1376666683 is a prime.

It is a super-2 number, since 2×1376666683² = 3790422312164444978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1376666683.

It is not an unprimeable number, because it can be changed into a prime (1376666623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521535 + ... + 524167.

It is an arithmetic number, because the mean of its divisors is an integer number (99391356).

Almost surely, 2^1376666683 is an apocalyptic number.

1376666683 is a deficient number, since it is larger than the sum of its proper divisors (213595013).

1376666683 is a wasteful number, since it uses less digits than its factorization.

1376666683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its digits is 3919104, while the sum is 52.

The square root of 1376666683 is about 37103.4591783569. The cubic root of 1376666683 is about 1112.4391571826.

The spelling of 1376666683 in words is "one billion, three hundred seventy-six million, six hundred sixty-six thousand, six hundred eighty-three".