381742848066 has 8 divisors (see below), whose sum is σ = 763485696144. Its totient is φ = 127247616020.

The previous prime is 381742848061. The next prime is 381742848089. The reversal of 381742848066 is 660848247183.

It is a sphenic number, since it is the product of 3 distinct primes.

381742848066 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 381742847997 and 381742848015.

It is not an unprimeable number, because it can be changed into a prime (381742848061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31811904000 + ... + 31811904011.

It is an arithmetic number, because the mean of its divisors is an integer number (95435712018).

Almost surely, 2^381742848066 is an apocalyptic number.

381742848066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381742848066 is a wasteful number, since it uses less digits than its factorization.

381742848066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63623808016.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 381742848066 in words is "three hundred eighty-one billion, seven hundred forty-two million, eight hundred forty-eight thousand, sixty-six".