163151387 has 8 divisors (see below), whose sum is σ = 186690816. Its totient is φ = 139669992.

The previous prime is 163151383. The next prime is 163151407. The reversal of 163151387 is 783151361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163151387 - 2² = 163151383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163151383) 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 7 ways as a sum of consecutive naturals, for example, 8303 + ... + 19880.

It is an arithmetic number, because the mean of its divisors is an integer number (23336352).

Almost surely, 2^163151387 is an apocalyptic number.

163151387 is a deficient number, since it is larger than the sum of its proper divisors (23539429).

163151387 is an equidigital number, since it uses as much as digits as its factorization.

163151387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29017.

The product of its digits is 15120, while the sum is 35.

The square root of 163151387 is about 12773.0727313360. The cubic root of 163151387 is about 546.4246172545.

The spelling of 163151387 in words is "one hundred sixty-three million, one hundred fifty-one thousand, three hundred eighty-seven".