6247997164 has 18 divisors (see below), whose sum is σ = 11510737980. Its totient is φ = 2959251192.

The previous prime is 6247997159. The next prime is 6247997209. The reversal of 6247997164 is 4617997426.

It is a super-2 number, since 2×6247997164² = 78074937122704085792, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 684559 + ... + 693625.

Almost surely, 2^6247997164 is an apocalyptic number.

It is an amenable number.

6247997164 is a deficient number, since it is larger than the sum of its proper divisors (5262740816).

6247997164 is an frugal number, since it uses more digits than its factorization.

6247997164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18157 (or 9088 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The square root of 6247997164 is about 79044.2734421666. The cubic root of 6247997164 is about 1841.8189680080.

The spelling of 6247997164 in words is "six billion, two hundred forty-seven million, nine hundred ninety-seven thousand, one hundred sixty-four".