16985052336658 has 64 divisors (see below), whose sum is σ = 30681278115840. Its totient is φ = 6889089051072.

The previous prime is 16985052336647. The next prime is 16985052336661. The reversal of 16985052336658 is 85663325058961.

It is a super-2 number, since 2×16985052336658² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16985052336593 and 16985052336602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2055551035 + ... + 2055559297.

It is an arithmetic number, because the mean of its divisors is an integer number (479394970560).

Almost surely, 2^{16985052336658} is an apocalyptic number.

16985052336658 is a deficient number, since it is larger than the sum of its proper divisors (13696225779182).

16985052336658 is a wasteful number, since it uses less digits than its factorization.

16985052336658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311.

The product of its (nonzero) digits is 279936000, while the sum is 67.

The spelling of 16985052336658 in words is "sixteen trillion, nine hundred eighty-five billion, fifty-two million, three hundred thirty-six thousand, six hundred fifty-eight".