161461622059 has 2 divisors, whose sum is σ = 161461622060. Its totient is φ = 161461622058.

The previous prime is 161461622011. The next prime is 161461622131. The reversal of 161461622059 is 950226164161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161461622059 - 2⁷ = 161461621931 is a prime.

It is not a weakly prime, because it can be changed into another prime (161461622009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80730811029 + 80730811030.

It is an arithmetic number, because the mean of its divisors is an integer number (80730811030).

Almost surely, 2^161461622059 is an apocalyptic number.

161461622059 is a deficient number, since it is larger than the sum of its proper divisors (1).

161461622059 is an equidigital number, since it uses as much as digits as its factorization.

161461622059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 161461622059 in words is "one hundred sixty-one billion, four hundred sixty-one million, six hundred twenty-two thousand, fifty-nine".