197187590432 has 96 divisors (see below), whose sum is σ = 456785159040. Its totient is φ = 82022492160.

The previous prime is 197187590423. The next prime is 197187590441. The reversal of 197187590432 is 234095781791.

197187590432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197187590423) and next prime (197187590441).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360707 + ... + 3418877.

It is an arithmetic number, because the mean of its divisors is an integer number (4758178740).

Almost surely, 2^197187590432 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 197187590432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228392579520).

197187590432 is an abundant number, since it is smaller than the sum of its proper divisors (259597568608).

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

197187590432 is a wasteful number, since it uses less digits than its factorization.

197187590432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58634 (or 58626 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 197187590432 in words is "one hundred ninety-seven billion, one hundred eighty-seven million, five hundred ninety thousand, four hundred thirty-two".