197085145416 has 128 divisors (see below), whose sum is σ = 542403993600. Its totient is φ = 59405091840.

The previous prime is 197085145409. The next prime is 197085145417. The reversal of 197085145416 is 614541580791.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (197085145417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1702021 + ... + 1814123.

It is an arithmetic number, because the mean of its divisors is an integer number (4237531200).

Almost surely, 2^197085145416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197085145416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271201996800).

197085145416 is an abundant number, since it is smaller than the sum of its proper divisors (345318848184).

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

197085145416 is a wasteful number, since it uses less digits than its factorization.

197085145416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112299 (or 112295 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 197085145416 in words is "one hundred ninety-seven billion, eighty-five million, one hundred forty-five thousand, four hundred sixteen".