6606669254 has 4 divisors (see below), whose sum is σ = 9910003884. Its totient is φ = 3303334626.

The previous prime is 6606669241. The next prime is 6606669259. The reversal of 6606669254 is 4529666066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606669259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651667312 + ... + 1651667315.

It is an arithmetic number, because the mean of its divisors is an integer number (2477500971).

Almost surely, 2^6606669254 is an apocalyptic number.

6606669254 is a deficient number, since it is larger than the sum of its proper divisors (3303334630).

6606669254 is a wasteful number, since it uses less digits than its factorization.

6606669254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303334629.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 6606669254 is about 81281.4201032438. The cubic root of 6606669254 is about 1876.4090626847.

The spelling of 6606669254 in words is "six billion, six hundred six million, six hundred sixty-nine thousand, two hundred fifty-four".