6166696421 has 8 divisors (see below), whose sum is σ = 6368369664. Its totient is φ = 5965194960.

The previous prime is 6166696351. The next prime is 6166696457. The reversal of 6166696421 is 1246966616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6166696421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6166696621) 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 7 ways as a sum of consecutive naturals, for example, 32135 + ... + 115611.

It is an arithmetic number, because the mean of its divisors is an integer number (796046208).

Almost surely, 2^6166696421 is an apocalyptic number.

It is an amenable number.

6166696421 is a deficient number, since it is larger than the sum of its proper divisors (201673243).

6166696421 is a wasteful number, since it uses less digits than its factorization.

6166696421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85891.

The product of its digits is 559872, while the sum is 47.

The square root of 6166696421 is about 78528.3160458697. The cubic root of 6166696421 is about 1833.7953045798.

The spelling of 6166696421 in words is "six billion, one hundred sixty-six million, six hundred ninety-six thousand, four hundred twenty-one".