1667016985008 has 40 divisors (see below), whose sum is σ = 4310343874800. Its totient is φ = 555171253504.

The previous prime is 1667016984991. The next prime is 1667016985013. The reversal of 1667016985008 is 8005896107661.

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, 15604803 + ... + 15711266.

It is an arithmetic number, because the mean of its divisors is an integer number (107758596870).

Almost surely, 2^{1667016985008} is an apocalyptic number.

It is an amenable number.

1667016985008 is an abundant number, since it is smaller than the sum of its proper divisors (2643326889792).

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

1667016985008 is a wasteful number, since it uses less digits than its factorization.

1667016985008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31317189 (or 31317183 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 1667016985008 in words is "one trillion, six hundred sixty-seven billion, sixteen million, nine hundred eighty-five thousand, eight".