102066661110087 has 10 divisors (see below), whose sum is σ = 152469950547288. Its totient is φ = 68044440740004.

The previous prime is 102066661110059. The next prime is 102066661110131. The reversal of 102066661110087 is 780011166660201.

It is not a de Polignac number, because 102066661110087 - 2¹² = 102066661105991 is a prime.

It is a super-2 number, since 2×102066661110087² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102066661110187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 630041117883 + ... + 630041118044.

Almost surely, 2^{102066661110087} is an apocalyptic number.

102066661110087 is a deficient number, since it is larger than the sum of its proper divisors (50403289437201).

102066661110087 is an equidigital number, since it uses as much as digits as its factorization.

102066661110087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260082235939 (or 1260082235930 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 102066661110087 in words is "one hundred two trillion, sixty-six billion, six hundred sixty-one million, one hundred ten thousand, eighty-seven".