161150677 has 2 divisors, whose sum is σ = 161150678. Its totient is φ = 161150676.

The previous prime is 161150669. The next prime is 161150749. The reversal of 161150677 is 776051161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159997201 + 1153476 = 12649^2 + 1074^2 .

It is a cyclic number.

It is not a de Polignac number, because 161150677 - 2³ = 161150669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161150177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80575338 + 80575339.

It is an arithmetic number, because the mean of its divisors is an integer number (80575339).

Almost surely, 2^161150677 is an apocalyptic number.

It is an amenable number.

161150677 is a deficient number, since it is larger than the sum of its proper divisors (1).

161150677 is an equidigital number, since it uses as much as digits as its factorization.

161150677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 161150677 is about 12694.5136574821. The cubic root of 161150677 is about 544.1818400269.

The spelling of 161150677 in words is "one hundred sixty-one million, one hundred fifty thousand, six hundred seventy-seven".