11666237036 has 6 divisors (see below), whose sum is σ = 20415914820. Its totient is φ = 5833118516.

The previous prime is 11666236979. The next prime is 11666237041. The reversal of 11666237036 is 63073266611.

It is a super-2 number, since 2×11666237036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11666236984 and 11666237002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1458279626 + ... + 1458279633.

It is an arithmetic number, because the mean of its divisors is an integer number (3402652470).

Almost surely, 2^11666237036 is an apocalyptic number.

It is an amenable number.

11666237036 is a deficient number, since it is larger than the sum of its proper divisors (8749677784).

11666237036 is a wasteful number, since it uses less digits than its factorization.

11666237036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916559263 (or 2916559261 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 11666237036 in words is "eleven billion, six hundred sixty-six million, two hundred thirty-seven thousand, thirty-six".