1318156166 has 12 divisors (see below), whose sum is σ = 2100384708. Its totient is φ = 620308512.

The previous prime is 1318156129. The next prime is 1318156181. The reversal of 1318156166 is 6616518131.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1139696 + ... + 1140851.

It is an arithmetic number, because the mean of its divisors is an integer number (175032059).

Almost surely, 2^1318156166 is an apocalyptic number.

1318156166 is a deficient number, since it is larger than the sum of its proper divisors (782228542).

1318156166 is a wasteful number, since it uses less digits than its factorization.

1318156166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280583 (or 2280566 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 1318156166 is about 36306.4204514849. The cubic root of 1318156166 is about 1096.4503112311.

The spelling of 1318156166 in words is "one billion, three hundred eighteen million, one hundred fifty-six thousand, one hundred sixty-six".