1165967090 has 16 divisors (see below), whose sum is σ = 2100919680. Its totient is φ = 465902640.

The previous prime is 1165967081. The next prime is 1165967093. The reversal of 1165967090 is 907695611.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1165967093) 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, 50330 + ... + 69749.

It is an arithmetic number, because the mean of its divisors is an integer number (131307480).

Almost surely, 2^1165967090 is an apocalyptic number.

1165967090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165967090 is a deficient number, since it is larger than the sum of its proper divisors (934952590).

1165967090 is a wasteful number, since it uses less digits than its factorization.

1165967090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121057.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 1165967090 is about 34146.2602637536. The cubic root of 1165967090 is about 1052.5161395471.

The spelling of 1165967090 in words is "one billion, one hundred sixty-five million, nine hundred sixty-seven thousand, ninety".