1165404136226 has 16 divisors (see below), whose sum is σ = 1915004142720. Its totient is φ = 527512710480.

The previous prime is 1165404136199. The next prime is 1165404136229. The reversal of 1165404136226 is 6226314045611.

It is not an unprimeable number, because it can be changed into a prime (1165404136229) 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, 110816741 + ... + 110827256.

It is an arithmetic number, because the mean of its divisors is an integer number (119687758920).

Almost surely, 2^{1165404136226} is an apocalyptic number.

1165404136226 is a deficient number, since it is larger than the sum of its proper divisors (749600006494).

1165404136226 is a wasteful number, since it uses less digits than its factorization.

1165404136226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221644249.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1165404136226 in words is "one trillion, one hundred sixty-five billion, four hundred four million, one hundred thirty-six thousand, two hundred twenty-six".