11166635340 has 72 divisors (see below), whose sum is σ = 38711006880. Its totient is φ = 2552373504.

The previous prime is 11166635329. The next prime is 11166635387. The reversal of 11166635340 is 4353666111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11166635295 and 11166635304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4429945 + ... + 4432464.

Almost surely, 2^11166635340 is an apocalyptic number.

11166635340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11166635340 is an abundant number, since it is smaller than the sum of its proper divisors (27544371540).

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

11166635340 is a wasteful number, since it uses less digits than its factorization.

11166635340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862431 (or 8862426 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 11166635340 in words is "eleven billion, one hundred sixty-six million, six hundred thirty-five thousand, three hundred forty".