161476462441 has 6 divisors (see below), whose sum is σ = 187839966570. Its totient is φ = 138408396336.

The previous prime is 161476462421. The next prime is 161476462451. The reversal of 161476462441 is 144264674161.

It can be written as a sum of positive squares in only one way, i.e., 140103484416 + 21372978025 = 374304^2 + 146195^2 .

It is not a de Polignac number, because 161476462441 - 2⁵ = 161476462409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161476462391 and 161476462400.

It is not an unprimeable number, because it can be changed into a prime (161476462421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1647718956 + ... + 1647719053.

It is an arithmetic number, because the mean of its divisors is an integer number (31306661095).

Almost surely, 2^161476462441 is an apocalyptic number.

It is an amenable number.

161476462441 is a deficient number, since it is larger than the sum of its proper divisors (26363504129).

161476462441 is an equidigital number, since it uses as much as digits as its factorization.

161476462441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295438023 (or 3295438016 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The spelling of 161476462441 in words is "one hundred sixty-one billion, four hundred seventy-six million, four hundred sixty-two thousand, four hundred forty-one".