11666601510 has 32 divisors (see below), whose sum is σ = 28080559872. Its totient is φ = 3102125280.

The previous prime is 11666601497. The next prime is 11666601517. The reversal of 11666601510 is 1510666611.

11666601510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11666601510² (a number of 21 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 (11666601517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549946 + ... + 570765.

It is an arithmetic number, because the mean of its divisors is an integer number (877517496).

Almost surely, 2^11666601510 is an apocalyptic number.

11666601510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11666601510 is an abundant number, since it is smaller than the sum of its proper divisors (16413958362).

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

11666601510 is a wasteful number, since it uses less digits than its factorization.

11666601510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121068.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 11666601510 in words is "eleven billion, six hundred sixty-six million, six hundred one thousand, five hundred ten".