178116086145 has 32 divisors (see below), whose sum is σ = 295616401920. Its totient is φ = 91469548800.

The previous prime is 178116086143. The next prime is 178116086153. The reversal of 178116086145 is 541680611871.

It is not a de Polignac number, because 178116086145 - 2¹ = 178116086143 is a prime.

It is a super-2 number, since 2×178116086145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 178116086094 and 178116086103.

It is not an unprimeable number, because it can be changed into a prime (178116086143) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 398206 + ... + 717495.

It is an arithmetic number, because the mean of its divisors is an integer number (9238012560).

Almost surely, 2^178116086145 is an apocalyptic number.

178116086145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

178116086145 is a deficient number, since it is larger than the sum of its proper divisors (117500315775).

178116086145 is a wasteful number, since it uses less digits than its factorization.

178116086145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116105.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 178116086145 in words is "one hundred seventy-eight billion, one hundred sixteen million, eighty-six thousand, one hundred forty-five".