1163678390 has 32 divisors (see below), whose sum is σ = 2534670144. Its totient is φ = 375505920.

The previous prime is 1163678377. The next prime is 1163678431. The reversal of 1163678390 is 938763611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487751 + ... + 490130.

It is an arithmetic number, because the mean of its divisors is an integer number (79208442).

Almost surely, 2^1163678390 is an apocalyptic number.

1163678390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163678390 is an abundant number, since it is smaller than the sum of its proper divisors (1370991754).

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

1163678390 is a wasteful number, since it uses less digits than its factorization.

1163678390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977912.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1163678390 is about 34112.7306148306. The cubic root of 1163678390 is about 1051.8270201642.

The spelling of 1163678390 in words is "one billion, one hundred sixty-three million, six hundred seventy-eight thousand, three hundred ninety".