161214055 has 8 divisors (see below), whose sum is σ = 195335712. Its totient is φ = 127718688.

The previous prime is 161214047. The next prime is 161214071. The reversal of 161214055 is 550412161.

It is a happy number.

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 161214055 - 2³ = 161214047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156004 + ... + 157033.

It is an arithmetic number, because the mean of its divisors is an integer number (24416964).

Almost surely, 2^161214055 is an apocalyptic number.

161214055 is a deficient number, since it is larger than the sum of its proper divisors (34121657).

161214055 is a wasteful number, since it uses less digits than its factorization.

161214055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313145.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 161214055 is about 12697.0096873240. The cubic root of 161214055 is about 544.2531700330.

The spelling of 161214055 in words is "one hundred sixty-one million, two hundred fourteen thousand, fifty-five".