161150862043 has 2 divisors, whose sum is σ = 161150862044. Its totient is φ = 161150862042.

The previous prime is 161150862031. The next prime is 161150862127. The reversal of 161150862043 is 340268051161.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (340268051161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161150862043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161150861993 and 161150862011.

It is not a weakly prime, because it can be changed into another prime (161150862013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80575431021 + 80575431022.

It is an arithmetic number, because the mean of its divisors is an integer number (80575431022).

Almost surely, 2^161150862043 is an apocalyptic number.

161150862043 is a deficient number, since it is larger than the sum of its proper divisors (1).

161150862043 is an equidigital number, since it uses as much as digits as its factorization.

161150862043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 161150862043 in words is "one hundred sixty-one billion, one hundred fifty million, eight hundred sixty-two thousand, forty-three".