197017666416 has 320 divisors, whose sum is σ = 602831257600. Its totient is φ = 61431955200.

The previous prime is 197017666367. The next prime is 197017666429. The reversal of 197017666416 is 614666710791.

197017666416 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 345039411 + ... + 345039981.

It is an arithmetic number, because the mean of its divisors is an integer number (1883847680).

Almost surely, 2^197017666416 is an apocalyptic number.

197017666416 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 197017666416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301415628800).

197017666416 is an abundant number, since it is smaller than the sum of its proper divisors (405813591184).

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

197017666416 is a wasteful number, since it uses less digits than its factorization.

197017666416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 197017666416 in words is "one hundred ninety-seven billion, seventeen million, six hundred sixty-six thousand, four hundred sixteen".