1168378388 has 6 divisors (see below), whose sum is σ = 2044662186. Its totient is φ = 584189192.

The previous prime is 1168378369. The next prime is 1168378399. The reversal of 1168378388 is 8838738611.

It can be written as a sum of positive squares in only one way, i.e., 910711684 + 257666704 = 30178^2 + 16052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146047295 + ... + 146047302.

It is an arithmetic number, because the mean of its divisors is an integer number (340777031).

Almost surely, 2^1168378388 is an apocalyptic number.

It is an amenable number.

1168378388 is a deficient number, since it is larger than the sum of its proper divisors (876283798).

1168378388 is a wasteful number, since it uses less digits than its factorization.

1168378388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292094601 (or 292094599 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 53.

The square root of 1168378388 is about 34181.5504036900. The cubic root of 1168378388 is about 1053.2411978999.

The spelling of 1168378388 in words is "one billion, one hundred sixty-eight million, three hundred seventy-eight thousand, three hundred eighty-eight".