6654155165425 has 12 divisors (see below), whose sum is σ = 8257822736476. Its totient is φ = 5319020692800.

The previous prime is 6654155165299. The next prime is 6654155165443. The reversal of 6654155165425 is 5245615514566.

It can be written as a sum of positive squares in 6 ways, for example, as 577885795344 + 6076269370081 = 760188^2 + 2465009^2 .

It is not a de Polignac number, because 6654155165425 - 2⁷ = 6654155165297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107554446 + ... + 107616295.

Almost surely, 2^{6654155165425} is an apocalyptic number.

It is an amenable number.

6654155165425 is a deficient number, since it is larger than the sum of its proper divisors (1603667571051).

6654155165425 is a wasteful number, since it uses less digits than its factorization.

6654155165425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215171988 (or 215171983 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 55.

The spelling of 6654155165425 in words is "six trillion, six hundred fifty-four billion, one hundred fifty-five million, one hundred sixty-five thousand, four hundred twenty-five".