161472767 has 2 divisors, whose sum is σ = 161472768. Its totient is φ = 161472766.

The previous prime is 161472757. The next prime is 161472781. The reversal of 161472767 is 767274161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161472767 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161472757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80736383 + 80736384.

It is an arithmetic number, because the mean of its divisors is an integer number (80736384).

Almost surely, 2^161472767 is an apocalyptic number.

161472767 is a deficient number, since it is larger than the sum of its proper divisors (1).

161472767 is an equidigital number, since it uses as much as digits as its factorization.

161472767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 41.

The square root of 161472767 is about 12707.1935139117. The cubic root of 161472767 is about 544.5441487429.

The spelling of 161472767 in words is "one hundred sixty-one million, four hundred seventy-two thousand, seven hundred sixty-seven".