899426082167668 has 24 divisors (see below), whose sum is σ = 1718450006182560. Its totient is φ = 408505311321120.

The previous prime is 899426082167653. The next prime is 899426082167779. The reversal of 899426082167668 is 866761280624998.

It is a junction number, because it is equal to n+sod(n) for n = 899426082167591 and 899426082167600.

It is a congruent number.

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, 8118094671 + ... + 8118205462.

It is an arithmetic number, because the mean of its divisors is an integer number (71602083590940).

Almost surely, 2^{899426082167668} is an apocalyptic number.

It is an amenable number.

899426082167668 is a deficient number, since it is larger than the sum of its proper divisors (819023924014892).

899426082167668 is a wasteful number, since it uses less digits than its factorization.

899426082167668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236301407 (or 16236301405 counting only the distinct ones).

The product of its (nonzero) digits is 6019743744, while the sum is 82.

The spelling of 899426082167668 in words is "eight hundred ninety-nine trillion, four hundred twenty-six billion, eighty-two million, one hundred sixty-seven thousand, six hundred sixty-eight".