1170751638 has 32 divisors (see below), whose sum is σ = 2741276160. Its totient is φ = 326341440.

The previous prime is 1170751627. The next prime is 1170751643. The reversal of 1170751638 is 8361570711.

It is a junction number, because it is equal to n+sod(n) for n = 1170751596 and 1170751605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338218 + ... + 341661.

It is an arithmetic number, because the mean of its divisors is an integer number (85664880).

Almost surely, 2^1170751638 is an apocalyptic number.

1170751638 is an abundant number, since it is smaller than the sum of its proper divisors (1570524522).

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

1170751638 is a wasteful number, since it uses less digits than its factorization.

1170751638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679932.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 1170751638 is about 34216.2481578562. The cubic root of 1170751638 is about 1053.9538420737.

The spelling of 1170751638 in words is "one billion, one hundred seventy million, seven hundred fifty-one thousand, six hundred thirty-eight".