6855736685554 has 16 divisors (see below), whose sum is σ = 10892572399800. Its totient is φ = 3225029197824.

The previous prime is 6855736685543. The next prime is 6855736685561. The reversal of 6855736685554 is 4555866375586.

It can be written as a sum of positive squares in 4 ways, for example, as 3320686175625 + 3535050509929 = 1822275^2 + 1880173^2 .

It is a super-2 number, since 2×6855736685554² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37401939 + ... + 37584790.

Almost surely, 2^{6855736685554} is an apocalyptic number.

6855736685554 is a deficient number, since it is larger than the sum of its proper divisors (4036835714246).

6855736685554 is a wasteful number, since it uses less digits than its factorization.

6855736685554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74989437.

The product of its digits is 3628800000, while the sum is 73.

The spelling of 6855736685554 in words is "six trillion, eight hundred fifty-five billion, seven hundred thirty-six million, six hundred eighty-five thousand, five hundred fifty-four".