1168557340 has 12 divisors (see below), whose sum is σ = 2453970456. Its totient is φ = 467422928.

The previous prime is 1168557337. The next prime is 1168557367. The reversal of 1168557340 is 437558611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1168557293 and 1168557302.

It is a congruent number.

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, 29213914 + ... + 29213953.

It is an arithmetic number, because the mean of its divisors is an integer number (204497538).

Almost surely, 2^1168557340 is an apocalyptic number.

1168557340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1168557340 is an abundant number, since it is smaller than the sum of its proper divisors (1285413116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1168557340 is a wasteful number, since it uses less digits than its factorization.

1168557340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58427876 (or 58427874 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1168557340 is about 34184.1679729082. The cubic root of 1168557340 is about 1053.2949675802.

The spelling of 1168557340 in words is "one billion, one hundred sixty-eight million, five hundred fifty-seven thousand, three hundred forty".