381160955 has 12 divisors (see below), whose sum is σ = 532069920. Its totient is φ = 261367344.

The previous prime is 381160951. The next prime is 381160963. The reversal of 381160955 is 559061183.

It is not a de Polignac number, because 381160955 - 2² = 381160951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381160951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777635 + ... + 778124.

It is an arithmetic number, because the mean of its divisors is an integer number (44339160).

Almost surely, 2^381160955 is an apocalyptic number.

381160955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

381160955 is a deficient number, since it is larger than the sum of its proper divisors (150908965).

381160955 is a wasteful number, since it uses less digits than its factorization.

381160955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555778 (or 1555771 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 381160955 is about 19523.3438478146. The cubic root of 381160955 is about 725.0525241376.

The spelling of 381160955 in words is "three hundred eighty-one million, one hundred sixty thousand, nine hundred fifty-five".