6424165406 has 4 divisors (see below), whose sum is σ = 9636248112. Its totient is φ = 3212082702.

The previous prime is 6424165387. The next prime is 6424165409. The reversal of 6424165406 is 6045614246.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6424165406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424165409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606041350 + ... + 1606041353.

It is an arithmetic number, because the mean of its divisors is an integer number (2409062028).

Almost surely, 2^6424165406 is an apocalyptic number.

6424165406 is a deficient number, since it is larger than the sum of its proper divisors (3212082706).

6424165406 is a wasteful number, since it uses less digits than its factorization.

6424165406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212082705.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 6424165406 is about 80150.8914859966. The cubic root of 6424165406 is about 1858.9693876201.

The spelling of 6424165406 in words is "six billion, four hundred twenty-four million, one hundred sixty-five thousand, four hundred six".