361678129681 has 8 divisors (see below), whose sum is σ = 398464475328. Its totient is φ = 325542870000.

The previous prime is 361678129661. The next prime is 361678129753. The reversal of 361678129681 is 186921876163.

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-361678129681 is a prime.

It is a super-2 number, since 2×361678129681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361678129661) 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, 162770325 + ... + 162772546.

It is an arithmetic number, because the mean of its divisors is an integer number (49808059416).

Almost surely, 2^361678129681 is an apocalyptic number.

It is an amenable number.

361678129681 is a deficient number, since it is larger than the sum of its proper divisors (36786345647).

361678129681 is a wasteful number, since it uses less digits than its factorization.

361678129681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325542983.

The product of its digits is 5225472, while the sum is 58.

The spelling of 361678129681 in words is "three hundred sixty-one billion, six hundred seventy-eight million, one hundred twenty-nine thousand, six hundred eighty-one".