1101666768 has 40 divisors (see below), whose sum is σ = 2862444768. Its totient is φ = 365096832.

The previous prime is 1101666763. The next prime is 1101666773. The reversal of 1101666768 is 8676661011.

It is an interprime number because it is at equal distance from previous prime (1101666763) and next prime (1101666773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101666763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58030 + ... + 74637.

Almost surely, 2^1101666768 is an apocalyptic number.

It is an amenable number.

1101666768 is an abundant number, since it is smaller than the sum of its proper divisors (1760778000).

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

1101666768 is a wasteful number, since it uses less digits than its factorization.

1101666768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132851 (or 132845 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1101666768 is about 33191.3658652367. The cubic root of 1101666768 is about 1032.8012376279.

The spelling of 1101666768 in words is "one billion, one hundred one million, six hundred sixty-six thousand, seven hundred sixty-eight".