197678016 has 112 divisors (see below), whose sum is σ = 586028800. Its totient is φ = 65339136.

The previous prime is 197677951. The next prime is 197678021. The reversal of 197678016 is 610876791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239781 + ... + 240603.

It is an arithmetic number, because the mean of its divisors is an integer number (5232400).

Almost surely, 2^197678016 is an apocalyptic number.

197678016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197678016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293014400).

197678016 is an abundant number, since it is smaller than the sum of its proper divisors (388350784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197678016 is a wasteful number, since it uses less digits than its factorization.

197678016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 197678016 is about 14059.8014210728. The cubic root of 197678016 is about 582.5315581520.

The spelling of 197678016 in words is "one hundred ninety-seven million, six hundred seventy-eight thousand, sixteen".