361453537218 has 16 divisors (see below), whose sum is σ = 722942174016. Its totient is φ = 120478662480.

The previous prime is 361453537199. The next prime is 361453537223. The reversal of 361453537218 is 812735354163.

It is a super-2 number, since 2×361453537218² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327653 + ... + 1576568.

It is an arithmetic number, because the mean of its divisors is an integer number (45183885876).

Almost surely, 2^361453537218 is an apocalyptic number.

361453537218 is an abundant number, since it is smaller than the sum of its proper divisors (361488636798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361453537218 is a wasteful number, since it uses less digits than its factorization.

361453537218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924969.

The product of its digits is 1814400, while the sum is 48.

It can be divided in two parts, 3614535 and 37218, that added together give a triangular number (3651753 = T₂₇₀₂).

The spelling of 361453537218 in words is "three hundred sixty-one billion, four hundred fifty-three million, five hundred thirty-seven thousand, two hundred eighteen".