1316667628 has 12 divisors (see below), whose sum is σ = 2383622640. Its totient is φ = 635632592.

The previous prime is 1316667617. The next prime is 1316667679. The reversal of 1316667628 is 8267666131.

It is a super-2 number, since 2×1316667628² = 3467227285246292768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5675176 + ... + 5675407.

It is an arithmetic number, because the mean of its divisors is an integer number (198635220).

Almost surely, 2^1316667628 is an apocalyptic number.

It is an amenable number.

1316667628 is a deficient number, since it is larger than the sum of its proper divisors (1066955012).

1316667628 is a wasteful number, since it uses less digits than its factorization.

1316667628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350616 (or 11350614 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 1316667628 is about 36285.9150084437. The cubic root of 1316667628 is about 1096.0374307905.

The spelling of 1316667628 in words is "one billion, three hundred sixteen million, six hundred sixty-seven thousand, six hundred twenty-eight".