373206161 has 8 divisors (see below), whose sum is σ = 383636904. Its totient is φ = 362793600.

The previous prime is 373206157. The next prime is 373206167. The reversal of 373206161 is 161602373.

It can be written as a sum of positive squares in 4 ways, for example, as 121000000 + 252206161 = 11000^2 + 15881^2 .

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 373206161 - 2² = 373206157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373206167) 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, 44261 + ... + 52013.

It is an arithmetic number, because the mean of its divisors is an integer number (47954613).

Almost surely, 2^373206161 is an apocalyptic number.

It is an amenable number.

373206161 is a deficient number, since it is larger than the sum of its proper divisors (10430743).

373206161 is a wasteful number, since it uses less digits than its factorization.

373206161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 373206161 is about 19318.5444845102. The cubic root of 373206161 is about 719.9730963455.

The spelling of 373206161 in words is "three hundred seventy-three million, two hundred six thousand, one hundred sixty-one".