16973907406 has 4 divisors (see below), whose sum is σ = 25460861112. Its totient is φ = 8486953702.

The previous prime is 16973907337. The next prime is 16973907407. The reversal of 16973907406 is 60470937961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60470937961 = 7 ⋅8638705423.

It is a super-2 number, since 2×16973907406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16973907407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243476850 + ... + 4243476853.

It is an arithmetic number, because the mean of its divisors is an integer number (6365215278).

Almost surely, 2^16973907406 is an apocalyptic number.

16973907406 is a deficient number, since it is larger than the sum of its proper divisors (8486953706).

16973907406 is an equidigital number, since it uses as much as digits as its factorization.

16973907406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486953705.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 16973907406 in words is "sixteen billion, nine hundred seventy-three million, nine hundred seven thousand, four hundred six".