1165697794 has 8 divisors (see below), whose sum is σ = 1781538300. Its totient is φ = 571851696.

The previous prime is 1165697789. The next prime is 1165697801. The reversal of 1165697794 is 4977965611.

It can be written as a sum of positive squares in 2 ways, for example, as 1018439569 + 147258225 = 31913^2 + 12135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498469 + ... + 5498680.

Almost surely, 2^1165697794 is an apocalyptic number.

1165697794 is a deficient number, since it is larger than the sum of its proper divisors (615840506).

1165697794 is a wasteful number, since it uses less digits than its factorization.

1165697794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997204.

The product of its digits is 2857680, while the sum is 55.

The square root of 1165697794 is about 34142.3167638050. The cubic root of 1165697794 is about 1052.4351023226.

The spelling of 1165697794 in words is "one billion, one hundred sixty-five million, six hundred ninety-seven thousand, seven hundred ninety-four".