6406164742 has 16 divisors (see below), whose sum is σ = 9684269280. Its totient is φ = 3178149952.

The previous prime is 6406164683. The next prime is 6406164797. The reversal of 6406164742 is 2474616046.

It is a junction number, because it is equal to n+sod(n) for n = 6406164695 and 6406164704.

It is a congruent number.

It is an unprimeable number.

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, 155634 + ... + 192442.

It is an arithmetic number, because the mean of its divisors is an integer number (605266830).

Almost surely, 2^6406164742 is an apocalyptic number.

6406164742 is a deficient number, since it is larger than the sum of its proper divisors (3278104538).

6406164742 is a wasteful number, since it uses less digits than its factorization.

6406164742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37487.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 6406164742 is about 80038.5203636349. The cubic root of 6406164742 is about 1857.2314712594.

The spelling of 6406164742 in words is "six billion, four hundred six million, one hundred sixty-four thousand, seven hundred forty-two".