1318618677 has 16 divisors (see below), whose sum is σ = 1853946560. Its totient is φ = 831347712.

The previous prime is 1318618667. The next prime is 1318618709. The reversal of 1318618677 is 7768168131.

It is a happy number.

It is not a de Polignac number, because 1318618677 - 2¹² = 1318614581 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318618657) 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, 12843 + ... + 52935.

It is an arithmetic number, because the mean of its divisors is an integer number (115871660).

Almost surely, 2^1318618677 is an apocalyptic number.

It is an amenable number.

1318618677 is a deficient number, since it is larger than the sum of its proper divisors (535327883).

1318618677 is a wasteful number, since it uses less digits than its factorization.

1318618677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40692.

The product of its digits is 338688, while the sum is 48.

The square root of 1318618677 is about 36312.7894411872. The cubic root of 1318618677 is about 1096.5785360556.

The spelling of 1318618677 in words is "one billion, three hundred eighteen million, six hundred eighteen thousand, six hundred seventy-seven".