1156276066 has 16 divisors (see below), whose sum is σ = 1899947808. Its totient is φ = 523396800.

The previous prime is 1156276049. The next prime is 1156276111. The reversal of 1156276066 is 6606726511.

It is an unprimeable number.

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, 103740 + ... + 114343.

It is an arithmetic number, because the mean of its divisors is an integer number (118746738).

Almost surely, 2^1156276066 is an apocalyptic number.

1156276066 is a deficient number, since it is larger than the sum of its proper divisors (743671742).

1156276066 is a wasteful number, since it uses less digits than its factorization.

1156276066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218337.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1156276066 is about 34004.0595517653. The cubic root of 1156276066 is about 1049.5920005163.

The spelling of 1156276066 in words is "one billion, one hundred fifty-six million, two hundred seventy-six thousand, sixty-six".