16997186950 has 12 divisors (see below), whose sum is σ = 31614767820. Its totient is φ = 6798874760.

The previous prime is 16997186939. The next prime is 16997186963. The reversal of 16997186950 is 5968179961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169971820 + ... + 169971919.

It is an arithmetic number, because the mean of its divisors is an integer number (2634563985).

Almost surely, 2^16997186950 is an apocalyptic number.

16997186950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16997186950 is a deficient number, since it is larger than the sum of its proper divisors (14617580870).

16997186950 is a wasteful number, since it uses less digits than its factorization.

16997186950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339943751 (or 339943746 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 16997186950 in words is "sixteen billion, nine hundred ninety-seven million, one hundred eighty-six thousand, nine hundred fifty".