161100213 has 8 divisors (see below), whose sum is σ = 215213088. Its totient is φ = 107193744.

The previous prime is 161100167. The next prime is 161100229. The reversal of 161100213 is 312001161.

161100213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161100213 - 2⁸ = 161099957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161100192 and 161100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161100253) 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, 49770 + ... + 52907.

It is an arithmetic number, because the mean of its divisors is an integer number (26901636).

Almost surely, 2^161100213 is an apocalyptic number.

It is an amenable number.

161100213 is a deficient number, since it is larger than the sum of its proper divisors (54112875).

161100213 is a wasteful number, since it uses less digits than its factorization.

161100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103203.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 161100213 is about 12692.5258715513. The cubic root of 161100213 is about 544.1250309587.

Adding to 161100213 its reverse (312001161), we get a palindrome (473101374).

The spelling of 161100213 in words is "one hundred sixty-one million, one hundred thousand, two hundred thirteen".