10101665655 has 16 divisors (see below), whose sum is σ = 17958516960. Its totient is φ = 5387554944.

The previous prime is 10101665621. The next prime is 10101665657. The reversal of 10101665655 is 55656610101.

It is not a de Polignac number, because 10101665655 - 2¹³ = 10101657463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101665657) 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, 37413442 + ... + 37413711.

It is an arithmetic number, because the mean of its divisors is an integer number (1122407310).

Almost surely, 2^10101665655 is an apocalyptic number.

10101665655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10101665655 is a deficient number, since it is larger than the sum of its proper divisors (7856851305).

10101665655 is an equidigital number, since it uses as much as digits as its factorization.

10101665655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74827167 (or 74827161 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10101665655 in words is "ten billion, one hundred one million, six hundred sixty-five thousand, six hundred fifty-five".