161600807 has 2 divisors, whose sum is σ = 161600808. Its totient is φ = 161600806.

The previous prime is 161600713. The next prime is 161600821. The reversal of 161600807 is 708006161.

161600807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (708006161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161600807 - 2¹² = 161596711 is a prime.

It is a super-2 number, since 2×161600807² = 52229641646102498, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161600807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161600897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80800403 + 80800404.

It is an arithmetic number, because the mean of its divisors is an integer number (80800404).

Almost surely, 2^161600807 is an apocalyptic number.

161600807 is a deficient number, since it is larger than the sum of its proper divisors (1).

161600807 is an equidigital number, since it uses as much as digits as its factorization.

161600807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 161600807 is about 12712.2306067818. The cubic root of 161600807 is about 544.6880430006.

Adding to 161600807 its reverse (708006161), we get a palindrome (869606968).

The spelling of 161600807 in words is "one hundred sixty-one million, six hundred thousand, eight hundred seven".