6631072285 has 16 divisors (see below), whose sum is σ = 8249770800. Its totient is φ = 5110672896.

The previous prime is 6631072249. The next prime is 6631072297. The reversal of 6631072285 is 5822701366.

It can be written as a sum of positive squares in 8 ways, for example, as 728838009 + 5902234276 = 26997^2 + 76826^2 .

It is a cyclic number.

It is not a de Polignac number, because 6631072285 - 2¹³ = 6631064093 is a prime.

It is a super-2 number, since 2×6631072285² = 87942239297790242450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16231 + ... + 116299.

It is an arithmetic number, because the mean of its divisors is an integer number (515610675).

Almost surely, 2^6631072285 is an apocalyptic number.

It is an amenable number.

6631072285 is a deficient number, since it is larger than the sum of its proper divisors (1618698515).

6631072285 is a wasteful number, since it uses less digits than its factorization.

6631072285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100560.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6631072285 is about 81431.3961872201. The cubic root of 6631072285 is about 1878.7165191841.

The spelling of 6631072285 in words is "six billion, six hundred thirty-one million, seventy-two thousand, two hundred eighty-five".