1165343974 has 8 divisors (see below), whose sum is σ = 1748379168. Its totient is φ = 582550920.

The previous prime is 1165343953. The next prime is 1165343983. The reversal of 1165343974 is 4793435611.

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

It is a super-2 number, since 2×1165343974² = 2716053155476225352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1165343974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47982 + ... + 68065.

It is an arithmetic number, because the mean of its divisors is an integer number (218547396).

Almost surely, 2^1165343974 is an apocalyptic number.

1165343974 is a deficient number, since it is larger than the sum of its proper divisors (583035194).

1165343974 is a wasteful number, since it uses less digits than its factorization.

1165343974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121070.

The product of its digits is 272160, while the sum is 43.

The square root of 1165343974 is about 34137.1348241179. The cubic root of 1165343974 is about 1052.3286109515.

The spelling of 1165343974 in words is "one billion, one hundred sixty-five million, three hundred forty-three thousand, nine hundred seventy-four".