7346641646 has 16 divisors (see below), whose sum is σ = 11661055488. Its totient is φ = 3464122200.

The previous prime is 7346641639. The next prime is 7346641649. The reversal of 7346641646 is 6461466437.

It is a self number, because there is not a number n which added to its sum of digits gives 7346641646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7346641649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121450 + ... + 1127981.

It is an arithmetic number, because the mean of its divisors is an integer number (728815968).

Almost surely, 2^7346641646 is an apocalyptic number.

7346641646 is a deficient number, since it is larger than the sum of its proper divisors (4314413842).

7346641646 is a wasteful number, since it uses less digits than its factorization.

7346641646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249527.

The product of its digits is 1741824, while the sum is 47.

The square root of 7346641646 is about 85712.5524412848. The cubic root of 7346641646 is about 1944.0001113129. Note that the first 3 decimals are identical.

The spelling of 7346641646 in words is "seven billion, three hundred forty-six million, six hundred forty-one thousand, six hundred forty-six".