6621131190 has 32 divisors (see below), whose sum is σ = 15898164480. Its totient is φ = 1764807264.

The previous prime is 6621131183. The next prime is 6621131197. The reversal of 6621131190 is 911311266.

It is an interprime number because it is at equal distance from previous prime (6621131183) and next prime (6621131197).

It is a super-2 number, since 2×6621131190² = 87678756470381632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621131197) 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 15 ways as a sum of consecutive naturals, for example, 14727 + ... + 116013.

It is an arithmetic number, because the mean of its divisors is an integer number (496817640).

Almost surely, 2^6621131190 is an apocalyptic number.

6621131190 is an abundant number, since it is smaller than the sum of its proper divisors (9277033290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6621131190 is a wasteful number, since it uses less digits than its factorization.

6621131190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103476.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 6621131190 is about 81370.3335989229. Note that the first 3 decimals coincide. The cubic root of 6621131190 is about 1877.7772120632. Note that the first 3 decimals are identical.

The spelling of 6621131190 in words is "six billion, six hundred twenty-one million, one hundred thirty-one thousand, one hundred ninety".