101895161 has 8 divisors (see below), whose sum is σ = 107998920. Its totient is φ = 95803648.

The previous prime is 101895139. The next prime is 101895169. The reversal of 101895161 is 161598101.

It can be written as a sum of positive squares in 4 ways, for example, as 48385936 + 53509225 = 6956^2 + 7315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101895161 - 2¹⁰ = 101894137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101895169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18455 + ... + 23331.

It is an arithmetic number, because the mean of its divisors is an integer number (13499865).

Almost surely, 2^101895161 is an apocalyptic number.

It is an amenable number.

101895161 is a deficient number, since it is larger than the sum of its proper divisors (6103759).

101895161 is a wasteful number, since it uses less digits than its factorization.

101895161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123.

The product of its (nonzero) digits is 2160, while the sum is 32.

The square root of 101895161 is about 10094.3133000715. The cubic root of 101895161 is about 467.0727387856.

The spelling of 101895161 in words is "one hundred one million, eight hundred ninety-five thousand, one hundred sixty-one".