6167961249 has 4 divisors (see below), whose sum is σ = 8223948336. Its totient is φ = 4111974164.

The previous prime is 6167961229. The next prime is 6167961271. The reversal of 6167961249 is 9421697616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6167961249 - 2¹⁷ = 6167830177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6167961229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1027993539 + ... + 1027993544.

It is an arithmetic number, because the mean of its divisors is an integer number (2055987084).

Almost surely, 2^6167961249 is an apocalyptic number.

It is an amenable number.

6167961249 is a deficient number, since it is larger than the sum of its proper divisors (2055987087).

6167961249 is a wasteful number, since it uses less digits than its factorization.

6167961249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055987086.

The product of its digits is 979776, while the sum is 51.

The square root of 6167961249 is about 78536.3689573181. The cubic root of 6167961249 is about 1833.9206703040.

The spelling of 6167961249 in words is "six billion, one hundred sixty-seven million, nine hundred sixty-one thousand, two hundred forty-nine".