161150779 has 2 divisors, whose sum is σ = 161150780. Its totient is φ = 161150778.

The previous prime is 161150753. The next prime is 161150789. The reversal of 161150779 is 977051161.

It is a strong prime.

It is an emirp because it is prime and its reverse (977051161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161150779 - 2¹¹ = 161148731 is a prime.

It is not a weakly prime, because it can be changed into another prime (161150749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80575389 + 80575390.

It is an arithmetic number, because the mean of its divisors is an integer number (80575390).

Almost surely, 2^161150779 is an apocalyptic number.

161150779 is a deficient number, since it is larger than the sum of its proper divisors (1).

161150779 is an equidigital number, since it uses as much as digits as its factorization.

161150779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 37.

The square root of 161150779 is about 12694.5176749650. The cubic root of 161150779 is about 544.1819548398.

The spelling of 161150779 in words is "one hundred sixty-one million, one hundred fifty thousand, seven hundred seventy-nine".