6425855603366 has 4 divisors (see below), whose sum is σ = 9638783405052. Its totient is φ = 3212927801682.

The previous prime is 6425855603353. The next prime is 6425855603371. The reversal of 6425855603366 is 6633065585246.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606463900840 + ... + 1606463900843.

It is an arithmetic number, because the mean of its divisors is an integer number (2409695851263).

Almost surely, 2^{6425855603366} is an apocalyptic number.

6425855603366 is a deficient number, since it is larger than the sum of its proper divisors (3212927801686).

6425855603366 is a wasteful number, since it uses less digits than its factorization.

6425855603366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212927801685.

The product of its (nonzero) digits is 93312000, while the sum is 59.

The spelling of 6425855603366 in words is "six trillion, four hundred twenty-five billion, eight hundred fifty-five million, six hundred three thousand, three hundred sixty-six".