101866035161 has 4 divisors (see below), whose sum is σ = 111126583824. Its totient is φ = 92605486500.

The previous prime is 101866035107. The next prime is 101866035169. The reversal of 101866035161 is 161530668101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161530668101 = 11 ⋅14684606191.

It is a cyclic number.

It is not a de Polignac number, because 101866035161 - 2¹⁴ = 101866018777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101866035169) 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 3 ways as a sum of consecutive naturals, for example, 4630274315 + ... + 4630274336.

It is an arithmetic number, because the mean of its divisors is an integer number (27781645956).

Almost surely, 2^101866035161 is an apocalyptic number.

101866035161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101866035161 is a deficient number, since it is larger than the sum of its proper divisors (9260548663).

101866035161 is an equidigital number, since it uses as much as digits as its factorization.

101866035161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260548662.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 101866035161 in words is "one hundred one billion, eight hundred sixty-six million, thirty-five thousand, one hundred sixty-one".