178381961952 has 48 divisors (see below), whose sum is σ = 469777980672. Its totient is φ = 59266961280.

The previous prime is 178381961951. The next prime is 178381961957. The reversal of 178381961952 is 259169183871.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (178381961951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996824 + ... + 3055767.

It is an arithmetic number, because the mean of its divisors is an integer number (9787041264).

Almost surely, 2^178381961952 is an apocalyptic number.

178381961952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

178381961952 is an abundant number, since it is smaller than the sum of its proper divisors (291396018720).

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

178381961952 is a wasteful number, since it uses less digits than its factorization.

178381961952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052911 (or 6052903 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 60.

The spelling of 178381961952 in words is "one hundred seventy-eight billion, three hundred eighty-one million, nine hundred sixty-one thousand, nine hundred fifty-two".