16998497870 has 8 divisors (see below), whose sum is σ = 30597296184. Its totient is φ = 6799399144.

The previous prime is 16998497833. The next prime is 16998497881. The reversal of 16998497870 is 7879489961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16998497870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849924884 + ... + 849924903.

It is an arithmetic number, because the mean of its divisors is an integer number (3824662023).

Almost surely, 2^16998497870 is an apocalyptic number.

16998497870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16998497870 is a deficient number, since it is larger than the sum of its proper divisors (13598798314).

16998497870 is a wasteful number, since it uses less digits than its factorization.

16998497870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699849794.

The product of its (nonzero) digits is 54867456, while the sum is 68.

The spelling of 16998497870 in words is "sixteen billion, nine hundred ninety-eight million, four hundred ninety-seven thousand, eight hundred seventy".