361646878231 has 8 divisors (see below), whose sum is σ = 372101794064. Its totient is φ = 351284895360.

The previous prime is 361646878217. The next prime is 361646878309. The reversal of 361646878231 is 132878646163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361646878231 is a prime.

It is a super-2 number, since 2×361646878231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361646878211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23225346 + ... + 23240911.

It is an arithmetic number, because the mean of its divisors is an integer number (46512724258).

Almost surely, 2^361646878231 is an apocalyptic number.

361646878231 is a deficient number, since it is larger than the sum of its proper divisors (10454915833).

361646878231 is a wasteful number, since it uses less digits than its factorization.

361646878231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46466481.

The product of its digits is 6967296, while the sum is 55.

The spelling of 361646878231 in words is "three hundred sixty-one billion, six hundred forty-six million, eight hundred seventy-eight thousand, two hundred thirty-one".