1091740116 has 24 divisors (see below), whose sum is σ = 2560330080. Its totient is φ = 362065312.

The previous prime is 1091740109. The next prime is 1091740123. The reversal of 1091740116 is 6110471901.

It is an interprime number because it is at equal distance from previous prime (1091740109) and next prime (1091740123).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228546 + ... + 233273.

It is an arithmetic number, because the mean of its divisors is an integer number (106680420).

Almost surely, 2^1091740116 is an apocalyptic number.

It is an amenable number.

1091740116 is an abundant number, since it is smaller than the sum of its proper divisors (1468589964).

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

1091740116 is a wasteful number, since it uses less digits than its factorization.

1091740116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462023 (or 462021 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1091740116 is about 33041.4908259298. The cubic root of 1091740116 is about 1029.6898289984.

The spelling of 1091740116 in words is "one billion, ninety-one million, seven hundred forty thousand, one hundred sixteen".