6619012163 has 4 divisors (see below), whose sum is σ = 6632831040. Its totient is φ = 6605193288.

The previous prime is 6619012139. The next prime is 6619012201. The reversal of 6619012163 is 3612109166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6619012163 - 2¹⁶ = 6618946627 is a prime.

It is a super-2 number, since 2×6619012163² = 87622644027883877138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6619012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6908720 + ... + 6909677.

It is an arithmetic number, because the mean of its divisors is an integer number (1658207760).

Almost surely, 2^6619012163 is an apocalyptic number.

6619012163 is a deficient number, since it is larger than the sum of its proper divisors (13818877).

6619012163 is a wasteful number, since it uses less digits than its factorization.

6619012163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13818876.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6619012163 is about 81357.3116751039. The cubic root of 6619012163 is about 1877.5768693997.

The spelling of 6619012163 in words is "six billion, six hundred nineteen million, twelve thousand, one hundred sixty-three".