381162558267 has 12 divisors (see below), whose sum is σ = 550575330240. Its totient is φ = 254105053488.

The previous prime is 381162558247. The next prime is 381162558311. The reversal of 381162558267 is 762855261183.

381162558267 is a `hidden beast` number, since 3 + 8 + 1 + 1 + 62 + 558 + 26 + 7 = 666.

It is not a de Polignac number, because 381162558267 - 2²³ = 381154169659 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (381162558247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595609 + ... + 1056917.

It is an arithmetic number, because the mean of its divisors is an integer number (45881277520).

Almost surely, 2^381162558267 is an apocalyptic number.

381162558267 is a deficient number, since it is larger than the sum of its proper divisors (169412771973).

381162558267 is a wasteful number, since it uses less digits than its factorization.

381162558267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553122 (or 553119 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 381162558267 in words is "three hundred eighty-one billion, one hundred sixty-two million, five hundred fifty-eight thousand, two hundred sixty-seven".