855698067556 has 6 divisors (see below), whose sum is σ = 1497471618230. Its totient is φ = 427849033776.

The previous prime is 855698067551. The next prime is 855698067559. The reversal of 855698067556 is 655760896558.

It can be written as a sum of positive squares in only one way, i.e., 792395507556 + 63302560000 = 890166^2 + 251600^2 .

It is not an unprimeable number, because it can be changed into a prime (855698067551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106962258441 + ... + 106962258448.

Almost surely, 2^855698067556 is an apocalyptic number.

It is an amenable number.

855698067556 is a deficient number, since it is larger than the sum of its proper divisors (641773550674).

855698067556 is a wasteful number, since it uses less digits than its factorization.

855698067556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213924516893 (or 213924516891 counting only the distinct ones).

The product of its (nonzero) digits is 544320000, while the sum is 70.

The spelling of 855698067556 in words is "eight hundred fifty-five billion, six hundred ninety-eight million, sixty-seven thousand, five hundred fifty-six".