630071155 has 24 divisors (see below), whose sum is σ = 896141232. Its totient is φ = 423888192.

The previous prime is 630071107. The next prime is 630071171. The reversal of 630071155 is 551170036.

It is not a de Polignac number, because 630071155 - 2¹³ = 630062963 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11277 + ... + 37246.

It is an arithmetic number, because the mean of its divisors is an integer number (37339218).

Almost surely, 2^630071155 is an apocalyptic number.

630071155 is a deficient number, since it is larger than the sum of its proper divisors (266070077).

630071155 is a wasteful number, since it uses less digits than its factorization.

630071155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48595 (or 48588 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 630071155 is about 25101.2181975298. The cubic root of 630071155 is about 857.2941613389.

The spelling of 630071155 in words is "six hundred thirty million, seventy-one thousand, one hundred fifty-five".