178133055078 has 64 divisors (see below), whose sum is σ = 400136279040. Its totient is φ = 52392096000.

The previous prime is 178133055053. The next prime is 178133055131. The reversal of 178133055078 is 870550331871.

It is a super-2 number, since 2×178133055078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909603 + ... + 1087953.

It is an arithmetic number, because the mean of its divisors is an integer number (6252129360).

Almost surely, 2^178133055078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 178133055078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200068139520).

178133055078 is an abundant number, since it is smaller than the sum of its proper divisors (222003223962).

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

178133055078 is a wasteful number, since it uses less digits than its factorization.

178133055078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178813.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 178133055078 in words is "one hundred seventy-eight billion, one hundred thirty-three million, fifty-five thousand, seventy-eight".