11666354260134 has 32 divisors (see below), whose sum is σ = 26820091065600. Its totient is φ = 3313976765472.

The previous prime is 11666354260117. The next prime is 11666354260139. The reversal of 11666354260134 is 43106245366611.

It is a happy number.

It is a super-2 number, since 2×11666354260134² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666354260139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802797184 + ... + 802811715.

It is an arithmetic number, because the mean of its divisors is an integer number (838127845800).

Almost surely, 2^{11666354260134} is an apocalyptic number.

11666354260134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11666354260134 is an abundant number, since it is smaller than the sum of its proper divisors (15153736805466).

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

11666354260134 is a wasteful number, since it uses less digits than its factorization.

11666354260134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605609084.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 11666354260134 in words is "eleven trillion, six hundred sixty-six billion, three hundred fifty-four million, two hundred sixty thousand, one hundred thirty-four".