5673251566881 has 36 divisors (see below), whose sum is σ = 8524565021232. Its totient is φ = 3775447370808.

The previous prime is 5673251566877. The next prime is 5673251566901. The reversal of 5673251566881 is 1886651523765.

5673251566881 is a `hidden beast` number, since 5 + 6 + 7 + 32 + 515 + 6 + 6 + 8 + 81 = 666.

It is not a de Polignac number, because 5673251566881 - 2² = 5673251566877 is a prime.

It is a super-2 number, since 2×5673251566881² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5673251566841) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2925910 + ... + 4461776.

It is an arithmetic number, because the mean of its divisors is an integer number (236793472812).

Almost surely, 2^{5673251566881} is an apocalyptic number.

It is an amenable number.

5673251566881 is a deficient number, since it is larger than the sum of its proper divisors (2851313454351).

5673251566881 is an frugal number, since it uses more digits than its factorization.

5673251566881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536454 (or 1536433 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 5673251566881 in words is "five trillion, six hundred seventy-three billion, two hundred fifty-one million, five hundred sixty-six thousand, eight hundred eighty-one".