101660055 has 32 divisors (see below), whose sum is σ = 189696000. Its totient is φ = 46470816.

The previous prime is 101660047. The next prime is 101660057. The reversal of 101660055 is 550066101.

It is not a de Polignac number, because 101660055 - 2³ = 101660047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101660057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4735 + ... + 15024.

It is an arithmetic number, because the mean of its divisors is an integer number (5928000).

Almost surely, 2^101660055 is an apocalyptic number.

101660055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101660055 is a deficient number, since it is larger than the sum of its proper divisors (88035945).

101660055 is an equidigital number, since it uses as much as digits as its factorization.

101660055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19788 (or 19774 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 101660055 is about 10082.6611070689. The cubic root of 101660055 is about 466.7132314646.

The spelling of 101660055 in words is "one hundred one million, six hundred sixty thousand, fifty-five".