381276168508 has 6 divisors (see below), whose sum is σ = 667233294896. Its totient is φ = 190638084252.

The previous prime is 381276168503. The next prime is 381276168529. The reversal of 381276168508 is 805861672183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381276168503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47659521060 + ... + 47659521067.

Almost surely, 2^381276168508 is an apocalyptic number.

It is an amenable number.

381276168508 is a deficient number, since it is larger than the sum of its proper divisors (285957126388).

381276168508 is a wasteful number, since it uses less digits than its factorization.

381276168508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95319042131 (or 95319042129 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 381276168508 in words is "three hundred eighty-one billion, two hundred seventy-six million, one hundred sixty-eight thousand, five hundred eight".