381641528174061 has 16 divisors (see below), whose sum is σ = 510994632319808. Its totient is φ = 253359916588800.

The previous prime is 381641528174047. The next prime is 381641528174141. The reversal of 381641528174061 is 160471825146183.

It is not a de Polignac number, because 381641528174061 - 2²³ = 381641519785453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381641528173992 and 381641528174010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381641528172061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231910750 + ... + 233550591.

It is an arithmetic number, because the mean of its divisors is an integer number (31937164519988).

Almost surely, 2^{381641528174061} is an apocalyptic number.

It is an amenable number.

381641528174061 is a deficient number, since it is larger than the sum of its proper divisors (129353104145747).

381641528174061 is a wasteful number, since it uses less digits than its factorization.

381641528174061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465462492.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 381641528174061 in words is "three hundred eighty-one trillion, six hundred forty-one billion, five hundred twenty-eight million, one hundred seventy-four thousand, sixty-one".