1995158627 has 16 divisors (see below), whose sum is σ = 2538240000. Its totient is φ = 1554666120.

The previous prime is 1995158609. The next prime is 1995158681. The reversal of 1995158627 is 7268515991.

It is a happy number.

It is not a de Polignac number, because 1995158627 - 2¹⁰ = 1995157603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995158027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260627 + ... + 268172.

It is an arithmetic number, because the mean of its divisors is an integer number (158640000).

Almost surely, 2^1995158627 is an apocalyptic number.

1995158627 is a deficient number, since it is larger than the sum of its proper divisors (543081373).

1995158627 is an equidigital number, since it uses as much as digits as its factorization.

1995158627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528831 (or 528817 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 53.

The square root of 1995158627 is about 44667.1985577784. The cubic root of 1995158627 is about 1258.9036038546.

The spelling of 1995158627 in words is "one billion, nine hundred ninety-five million, one hundred fifty-eight thousand, six hundred twenty-seven".