197799406336 has 72 divisors (see below), whose sum is σ = 466789669920. Its totient is φ = 81848008704.

The previous prime is 197799406333. The next prime is 197799406367. The reversal of 197799406336 is 633604997791.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (197799406333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851121 + ... + 1955056.

It is an arithmetic number, because the mean of its divisors is an integer number (6483189860).

Almost surely, 2^197799406336 is an apocalyptic number.

197799406336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197799406336 is an abundant number, since it is smaller than the sum of its proper divisors (268990263584).

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

197799406336 is an equidigital number, since it uses as much as digits as its factorization.

197799406336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806229 (or 3806215 counting only the distinct ones).

The product of its (nonzero) digits is 46294416, while the sum is 64.

The spelling of 197799406336 in words is "one hundred ninety-seven billion, seven hundred ninety-nine million, four hundred six thousand, three hundred thirty-six".