1156164226 has 16 divisors (see below), whose sum is σ = 1985480640. Its totient is φ = 494627760.

The previous prime is 1156164221. The next prime is 1156164227. The reversal of 1156164226 is 6224616511.

It is a junction number, because it is equal to n+sod(n) for n = 1156164191 and 1156164200.

It is not an unprimeable number, because it can be changed into a prime (1156164221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64321 + ... + 80308.

It is an arithmetic number, because the mean of its divisors is an integer number (124092540).

Almost surely, 2^1156164226 is an apocalyptic number.

1156164226 is a deficient number, since it is larger than the sum of its proper divisors (829316414).

1156164226 is a wasteful number, since it uses less digits than its factorization.

1156164226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145209.

The product of its digits is 17280, while the sum is 34.

The square root of 1156164226 is about 34002.4150024671. The cubic root of 1156164226 is about 1049.5581590726.

The spelling of 1156164226 in words is "one billion, one hundred fifty-six million, one hundred sixty-four thousand, two hundred twenty-six".