361897689671 has 16 divisors (see below), whose sum is σ = 420652981248. Its totient is φ = 304912965600.

The previous prime is 361897689667. The next prime is 361897689697. The reversal of 361897689671 is 176986798163.

It is a cyclic number.

It is not a de Polignac number, because 361897689671 - 2² = 361897689667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 361897689595 and 361897689604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361897689641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376946 + ... + 930528.

It is an arithmetic number, because the mean of its divisors is an integer number (26290811328).

Almost surely, 2^361897689671 is an apocalyptic number.

361897689671 is a deficient number, since it is larger than the sum of its proper divisors (58755291577).

361897689671 is a wasteful number, since it uses less digits than its factorization.

361897689671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555182.

The product of its digits is 164602368, while the sum is 71.

The spelling of 361897689671 in words is "three hundred sixty-one billion, eight hundred ninety-seven million, six hundred eighty-nine thousand, six hundred seventy-one".