3601299661218 has 32 divisors (see below), whose sum is σ = 9146157870720. Its totient is φ = 1028942760240.

The previous prime is 3601299661177. The next prime is 3601299661237. The reversal of 3601299661218 is 8121669921063.

3601299661218 is a `hidden beast` number, since 3 + 6 + 0 + 1 + 2 + 9 + 9 + 6 + 612 + 18 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4763623513 + ... + 4763624268.

It is an arithmetic number, because the mean of its divisors is an integer number (285817433460).

Almost surely, 2^{3601299661218} is an apocalyptic number.

3601299661218 is an abundant number, since it is smaller than the sum of its proper divisors (5544858209502).

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

3601299661218 is a wasteful number, since it uses less digits than its factorization.

3601299661218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527247799 (or 9527247793 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 3601299661218 in words is "three trillion, six hundred one billion, two hundred ninety-nine million, six hundred sixty-one thousand, two hundred eighteen".