381658601108 has 6 divisors (see below), whose sum is σ = 667902551946. Its totient is φ = 190829300552.

The previous prime is 381658601069. The next prime is 381658601113. The reversal of 381658601108 is 801106856183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 268404814084 + 113253787024 = 518078^2 + 336532^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47707325135 + ... + 47707325142.

It is an arithmetic number, because the mean of its divisors is an integer number (111317091991).

Almost surely, 2^381658601108 is an apocalyptic number.

It is an amenable number.

381658601108 is a deficient number, since it is larger than the sum of its proper divisors (286243950838).

381658601108 is a wasteful number, since it uses less digits than its factorization.

381658601108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95414650281 (or 95414650279 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 381658601108 in words is "three hundred eighty-one billion, six hundred fifty-eight million, six hundred one thousand, one hundred eight".