1162726643 has 8 divisors (see below), whose sum is σ = 1270857168. Its totient is φ = 1057266144.

The previous prime is 1162726639. The next prime is 1162726657. The reversal of 1162726643 is 3466272611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1162726643 - 2² = 1162726639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1162726597 and 1162726606.

It is not an unprimeable number, because it can be changed into a prime (1162726633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666596 + ... + 668337.

It is an arithmetic number, because the mean of its divisors is an integer number (158857146).

Almost surely, 2^1162726643 is an apocalyptic number.

1162726643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1162726643 is a deficient number, since it is larger than the sum of its proper divisors (108130525).

1162726643 is a wasteful number, since it uses less digits than its factorization.

1162726643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335013.

The product of its digits is 72576, while the sum is 38.

The square root of 1162726643 is about 34098.7777346931. Note that the first 4 decimals coincide. The cubic root of 1162726643 is about 1051.5401865447.

The spelling of 1162726643 in words is "one billion, one hundred sixty-two million, seven hundred twenty-six thousand, six hundred forty-three".