554112161 has 8 divisors (see below), whose sum is σ = 587868840. Its totient is φ = 520484608.

The previous prime is 554112157. The next prime is 554112203. The reversal of 554112161 is 161211455.

It can be written as a sum of positive squares in 4 ways, for example, as 78872161 + 475240000 = 8881^2 + 21800^2 .

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 554112161 - 2² = 554112157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554112161.

It is not an unprimeable number, because it can be changed into a prime (554112101) 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, 23366 + ... + 40671.

It is an arithmetic number, because the mean of its divisors is an integer number (73483605).

Almost surely, 2^554112161 is an apocalyptic number.

It is an amenable number.

554112161 is a deficient number, since it is larger than the sum of its proper divisors (33756679).

554112161 is a wasteful number, since it uses less digits than its factorization.

554112161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64563.

The product of its digits is 1200, while the sum is 26.

The square root of 554112161 is about 23539.5871034307. The cubic root of 554112161 is about 821.3581305667.

The spelling of 554112161 in words is "five hundred fifty-four million, one hundred twelve thousand, one hundred sixty-one".