1165940829 has 24 divisors (see below), whose sum is σ = 1735960512. Its totient is φ = 753641280.

The previous prime is 1165940827. The next prime is 1165940849. The reversal of 1165940829 is 9280495611.

It is not a de Polignac number, because 1165940829 - 2¹ = 1165940827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165940827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42024 + ... + 64014.

It is an arithmetic number, because the mean of its divisors is an integer number (72331688).

Almost surely, 2^1165940829 is an apocalyptic number.

It is an amenable number.

1165940829 is a deficient number, since it is larger than the sum of its proper divisors (570019683).

1165940829 is a wasteful number, since it uses less digits than its factorization.

1165940829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22177 (or 22174 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1165940829 is about 34145.8757246025. The cubic root of 1165940829 is about 1052.5082375705.

The spelling of 1165940829 in words is "one billion, one hundred sixty-five million, nine hundred forty thousand, eight hundred twenty-nine".