6661954483 has 8 divisors (see below), whose sum is σ = 6684809040. Its totient is φ = 6639130080.

The previous prime is 6661954399. The next prime is 6661954493. The reversal of 6661954483 is 3844591666.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6661954483 - 2¹⁷ = 6661823411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6661954483.

It is not an unprimeable number, because it can be changed into a prime (6661954493) 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, 490048 + ... + 503458.

It is an arithmetic number, because the mean of its divisors is an integer number (835601130).

Almost surely, 2^6661954483 is an apocalyptic number.

6661954483 is a deficient number, since it is larger than the sum of its proper divisors (22854557).

6661954483 is a wasteful number, since it uses less digits than its factorization.

6661954483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15077.

The product of its digits is 3732480, while the sum is 52.

The square root of 6661954483 is about 81620.7968780016. The cubic root of 6661954483 is about 1881.6285197835.

The spelling of 6661954483 in words is "six billion, six hundred sixty-one million, nine hundred fifty-four thousand, four hundred eighty-three".