197539274016 has 576 divisors, whose sum is σ = 692822108160. Its totient is φ = 53627857920.

The previous prime is 197539274011. The next prime is 197539274029. The reversal of 197539274016 is 610472935791.

197539274016 is a `hidden beast` number, since 1 + 97 + 539 + 2 + 7 + 4 + 0 + 16 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (197539274011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361131855 + ... + 361132401.

It is an arithmetic number, because the mean of its divisors is an integer number (1202816160).

Almost surely, 2^197539274016 is an apocalyptic number.

197539274016 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 197539274016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346411054080).

197539274016 is an abundant number, since it is smaller than the sum of its proper divisors (495282834144).

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

197539274016 is a wasteful number, since it uses less digits than its factorization.

197539274016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 197539274016 in words is "one hundred ninety-seven billion, five hundred thirty-nine million, two hundred seventy-four thousand, sixteen".