1316049657 has 8 divisors (see below), whose sum is σ = 1889712384. Its totient is φ = 809876688.

The previous prime is 1316049653. The next prime is 1316049659. The reversal of 1316049657 is 7569406131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1316049657 - 2² = 1316049653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316049653) 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 7 ways as a sum of consecutive naturals, for example, 16872393 + ... + 16872470.

It is an arithmetic number, because the mean of its divisors is an integer number (236214048).

Almost surely, 2^1316049657 is an apocalyptic number.

It is an amenable number.

1316049657 is a deficient number, since it is larger than the sum of its proper divisors (573662727).

1316049657 is a wasteful number, since it uses less digits than its factorization.

1316049657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33744879.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1316049657 is about 36277.3987077354. The cubic root of 1316049657 is about 1095.8659308296.

The spelling of 1316049657 in words is "one billion, three hundred sixteen million, forty-nine thousand, six hundred fifty-seven".