11666427170 has 16 divisors (see below), whose sum is σ = 21002710968. Its totient is φ = 4665872640.

The previous prime is 11666427169. The next prime is 11666427173. The reversal of 11666427170 is 7172466611.

It can be written as a sum of positive squares in 4 ways, for example, as 9270030961 + 2396396209 = 96281^2 + 48953^2 .

It is a super-2 number, since 2×11666427170² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666427173) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 14189 + ... + 153408.

Almost surely, 2^11666427170 is an apocalyptic number.

11666427170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11666427170 is a deficient number, since it is larger than the sum of its proper divisors (9336283798).

11666427170 is a wasteful number, since it uses less digits than its factorization.

11666427170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174565.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 11666427170 in words is "eleven billion, six hundred sixty-six million, four hundred twenty-seven thousand, one hundred seventy".