1099768968 has 64 divisors (see below), whose sum is σ = 3106728000. Its totient is φ = 360372096.

The previous prime is 1099768937. The next prime is 1099768991. The reversal of 1099768968 is 8698679901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30405 + ... + 55892.

It is an arithmetic number, because the mean of its divisors is an integer number (48542625).

Almost surely, 2^1099768968 is an apocalyptic number.

1099768968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1099768968 is an abundant number, since it is smaller than the sum of its proper divisors (2006959032).

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

1099768968 is a wasteful number, since it uses less digits than its factorization.

1099768968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86371 (or 86361 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 1099768968 is about 33162.7647822072. The cubic root of 1099768968 is about 1032.2078407781.

The spelling of 1099768968 in words is "one billion, ninety-nine million, seven hundred sixty-eight thousand, nine hundred sixty-eight".