17922646346 has 16 divisors (see below), whose sum is σ = 29356954848. Its totient is φ = 8138605200.

The previous prime is 17922646337. The next prime is 17922646351. The reversal of 17922646346 is 64364622971.

It is a junction number, because it is equal to n+sod(n) for n = 17922646294 and 17922646303.

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, 379820 + ... + 424391.

It is an arithmetic number, because the mean of its divisors is an integer number (1834809678).

Almost surely, 2^17922646346 is an apocalyptic number.

17922646346 is a deficient number, since it is larger than the sum of its proper divisors (11434308502).

17922646346 is a wasteful number, since it uses less digits than its factorization.

17922646346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805237.

The product of its digits is 2612736, while the sum is 50.

The spelling of 17922646346 in words is "seventeen billion, nine hundred twenty-two million, six hundred forty-six thousand, three hundred forty-six".