161401101 has 16 divisors (see below), whose sum is σ = 217654080. Its totient is φ = 106381440.

The previous prime is 161401099. The next prime is 161401109. The reversal of 161401101 is 101104161.

161401101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161401101 - 2¹ = 161401099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161401109) 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, 121521 + ... + 122841.

It is an arithmetic number, because the mean of its divisors is an integer number (13603380).

Almost surely, 2^161401101 is an apocalyptic number.

It is an amenable number.

161401101 is a deficient number, since it is larger than the sum of its proper divisors (56252979).

161401101 is a wasteful number, since it uses less digits than its factorization.

161401101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 161401101 is about 12704.3733021350. The cubic root of 161401101 is about 544.4635756601.

Adding to 161401101 its reverse (101104161), we get a palindrome (262505262).

The spelling of 161401101 in words is "one hundred sixty-one million, four hundred one thousand, one hundred one".