6646901342 has 8 divisors (see below), whose sum is σ = 9972801432. Its totient is φ = 3322634200.

The previous prime is 6646901329. The next prime is 6646901357. The reversal of 6646901342 is 2431096466.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6646901342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398009 + ... + 414372.

It is an arithmetic number, because the mean of its divisors is an integer number (1246600179).

Almost surely, 2^6646901342 is an apocalyptic number.

6646901342 is a deficient number, since it is larger than the sum of its proper divisors (3325900090).

6646901342 is a wasteful number, since it uses less digits than its factorization.

6646901342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816474.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 6646901342 is about 81528.5308465693. The cubic root of 6646901342 is about 1880.2102283014.

The spelling of 6646901342 in words is "six billion, six hundred forty-six million, nine hundred one thousand, three hundred forty-two".