1165746738 has 16 divisors (see below), whose sum is σ = 2510839296. Its totient is φ = 358691280.

The previous prime is 1165746737. The next prime is 1165746749. The reversal of 1165746738 is 8376475611.

1165746738 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1165746733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7472658 + ... + 7472813.

It is an arithmetic number, because the mean of its divisors is an integer number (156927456).

Almost surely, 2^1165746738 is an apocalyptic number.

1165746738 is an abundant number, since it is smaller than the sum of its proper divisors (1345092558).

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

1165746738 is a wasteful number, since it uses less digits than its factorization.

1165746738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945489.

The product of its digits is 846720, while the sum is 48.

The square root of 1165746738 is about 34143.0335207638. The cubic root of 1165746738 is about 1052.4498316012.

The spelling of 1165746738 in words is "one billion, one hundred sixty-five million, seven hundred forty-six thousand, seven hundred thirty-eight".