1011156966 has 32 divisors (see below), whose sum is σ = 2294830080. Its totient is φ = 329880168.

The previous prime is 1011156961. The next prime is 1011156967. The reversal of 1011156966 is 6696511101.

1011156966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1011156966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011156961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196666 + ... + 201741.

It is an arithmetic number, because the mean of its divisors is an integer number (71713440).

Almost surely, 2^1011156966 is an apocalyptic number.

1011156966 is an abundant number, since it is smaller than the sum of its proper divisors (1283673114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011156966 is a wasteful number, since it uses less digits than its factorization.

1011156966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398465 (or 398459 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1011156966 is about 31798.6944071608. The cubic root of 1011156966 is about 1003.7052428856.

The spelling of 1011156966 in words is "one billion, eleven million, one hundred fifty-six thousand, nine hundred sixty-six".