101936161 has 4 divisors (see below), whose sum is σ = 106368192. Its totient is φ = 97504132.

The previous prime is 101936143. The next prime is 101936167. The reversal of 101936161 is 161639101.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101936161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101936167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215981 + ... + 2216026.

It is an arithmetic number, because the mean of its divisors is an integer number (26592048).

Almost surely, 2^101936161 is an apocalyptic number.

It is an amenable number.

101936161 is a deficient number, since it is larger than the sum of its proper divisors (4432031).

101936161 is an equidigital number, since it uses as much as digits as its factorization.

101936161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432030.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 101936161 is about 10096.3439422397. The cubic root of 101936161 is about 467.1353764162.

The spelling of 101936161 in words is "one hundred one million, nine hundred thirty-six thousand, one hundred sixty-one".