618016178132 has 6 divisors (see below), whose sum is σ = 1081528311738. Its totient is φ = 309008089064.

The previous prime is 618016178081. The next prime is 618016178141. The reversal of 618016178132 is 231871610816.

It can be written as a sum of positive squares in only one way, i.e., 535466843536 + 82549334596 = 731756^2 + 287314^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 77252022263 + ... + 77252022270.

It is an arithmetic number, because the mean of its divisors is an integer number (180254718623).

Almost surely, 2^618016178132 is an apocalyptic number.

It is an amenable number.

618016178132 is a deficient number, since it is larger than the sum of its proper divisors (463512133606).

618016178132 is a wasteful number, since it uses less digits than its factorization.

618016178132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154504044537 (or 154504044535 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

Adding to 618016178132 its reverse (231871610816), we get a palindrome (849887788948).

The spelling of 618016178132 in words is "six hundred eighteen billion, sixteen million, one hundred seventy-eight thousand, one hundred thirty-two".