11666456050 has 24 divisors (see below), whose sum is σ = 21832749936. Its totient is φ = 4637949840.

The previous prime is 11666456041. The next prime is 11666456059. The reversal of 11666456050 is 5065466611.

It is an interprime number because it is at equal distance from previous prime (11666456041) and next prime (11666456059).

It is a super-2 number, since 2×11666456050² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11666455994 and 11666456012.

It is not an unprimeable number, because it can be changed into a prime (11666456059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707584 + ... + 723883.

It is an arithmetic number, because the mean of its divisors is an integer number (909697914).

Almost surely, 2^11666456050 is an apocalyptic number.

11666456050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11666456050 is a deficient number, since it is larger than the sum of its proper divisors (10166293886).

11666456050 is a wasteful number, since it uses less digits than its factorization.

11666456050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431642 (or 1431637 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 11666456050 in words is "eleven billion, six hundred sixty-six million, four hundred fifty-six thousand, fifty".