16978485190 has 8 divisors (see below), whose sum is σ = 30561273360. Its totient is φ = 6791394072.

The previous prime is 16978485187. The next prime is 16978485211. The reversal of 16978485190 is 9158487961.

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

It is a super-2 number, since 2×16978485190² (a number of 21 digits) contains 22 as substring.

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, 848924250 + ... + 848924269.

It is an arithmetic number, because the mean of its divisors is an integer number (3820159170).

Almost surely, 2^16978485190 is an apocalyptic number.

16978485190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16978485190 is a deficient number, since it is larger than the sum of its proper divisors (13582788170).

16978485190 is a wasteful number, since it uses less digits than its factorization.

16978485190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697848526.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 16978485190 in words is "sixteen billion, nine hundred seventy-eight million, four hundred eighty-five thousand, one hundred ninety".