6555674765556 has 72 divisors (see below), whose sum is σ = 18939828171264. Its totient is φ = 1872930047040.

The previous prime is 6555674765543. The next prime is 6555674765569.

6555674765556 is a `hidden beast` number, since 6 + 5 + 5 + 5 + 6 + 7 + 4 + 7 + 65 + 556 = 666.

6555674765556 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6555674765543) and next prime (6555674765569).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3150141 + ... + 4799451.

Almost surely, 2^{6555674765556} is an apocalyptic number.

It is an amenable number.

6555674765556 is an abundant number, since it is smaller than the sum of its proper divisors (12384153405708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6555674765556 is a wasteful number, since it uses less digits than its factorization.

6555674765556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665101 (or 1665096 counting only the distinct ones).

The product of its digits is 3969000000, while the sum is 72.

The spelling of 6555674765556 in words is "six trillion, five hundred fifty-five billion, six hundred seventy-four million, seven hundred sixty-five thousand, five hundred fifty-six".