381170189057 has 32 divisors (see below), whose sum is σ = 444624445440. Its totient is φ = 320048910720.

The previous prime is 381170188831. The next prime is 381170189209. The reversal of 381170189057 is 750981071183.

It is not a de Polignac number, because 381170189057 - 2²² = 381165994753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381170188996 and 381170189014.

It is not an unprimeable number, because it can be changed into a prime (381170189957) 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 31 ways as a sum of consecutive naturals, for example, 29307518 + ... + 29320520.

It is an arithmetic number, because the mean of its divisors is an integer number (13894513920).

Almost surely, 2^381170189057 is an apocalyptic number.

It is an amenable number.

381170189057 is a deficient number, since it is larger than the sum of its proper divisors (63454256383).

381170189057 is a wasteful number, since it uses less digits than its factorization.

381170189057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13533.

The product of its (nonzero) digits is 423360, while the sum is 50.

The spelling of 381170189057 in words is "three hundred eighty-one billion, one hundred seventy million, one hundred eighty-nine thousand, fifty-seven".