68200161 has 4 divisors (see below), whose sum is σ = 90933552. Its totient is φ = 45466772.

The previous prime is 68200157. The next prime is 68200163. The reversal of 68200161 is 16100286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68200161 - 2² = 68200157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68200163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11366691 + ... + 11366696.

It is an arithmetic number, because the mean of its divisors is an integer number (22733388).

Almost surely, 2^68200161 is an apocalyptic number.

It is an amenable number.

68200161 is a deficient number, since it is larger than the sum of its proper divisors (22733391).

68200161 is a wasteful number, since it uses less digits than its factorization.

68200161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22733390.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 68200161 is about 8258.3388765538. The cubic root of 68200161 is about 408.5656022808.

The spelling of 68200161 in words is "sixty-eight million, two hundred thousand, one hundred sixty-one".