1165465071 has 32 divisors (see below), whose sum is σ = 1784125440. Its totient is φ = 751514400.

The previous prime is 1165465013. The next prime is 1165465121. The reversal of 1165465071 is 1705645611.

It is a happy number.

It is not a de Polignac number, because 1165465071 - 2¹⁹ = 1164940783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165465771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95866 + ... + 107336.

It is an arithmetic number, because the mean of its divisors is an integer number (55753920).

Almost surely, 2^1165465071 is an apocalyptic number.

1165465071 is a deficient number, since it is larger than the sum of its proper divisors (618660369).

1165465071 is a wasteful number, since it uses less digits than its factorization.

1165465071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11604 (or 11598 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1165465071 is about 34138.9084623396. The cubic root of 1165465071 is about 1052.3650606827.

The spelling of 1165465071 in words is "one billion, one hundred sixty-five million, four hundred sixty-five thousand, seventy-one".