161051207 has 2 divisors, whose sum is σ = 161051208. Its totient is φ = 161051206.

The previous prime is 161051197. The next prime is 161051249. The reversal of 161051207 is 702150161.

161051207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161051207 - 2¹² = 161047111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161051257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80525603 + 80525604.

It is an arithmetic number, because the mean of its divisors is an integer number (80525604).

Almost surely, 2^161051207 is an apocalyptic number.

161051207 is a deficient number, since it is larger than the sum of its proper divisors (1).

161051207 is an equidigital number, since it uses as much as digits as its factorization.

161051207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 161051207 is about 12690.5952185073. The cubic root of 161051207 is about 544.0698518561.

The spelling of 161051207 in words is "one hundred sixty-one million, fifty-one thousand, two hundred seven".