197154463232 has 160 divisors (see below), whose sum is σ = 417691391040. Its totient is φ = 92779315200.

The previous prime is 197154463229. The next prime is 197154463283. The reversal of 197154463232 is 232364451791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328043732 + ... + 328044332.

It is an arithmetic number, because the mean of its divisors is an integer number (2610571194).

Almost surely, 2^197154463232 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 197154463232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208845695520).

197154463232 is an abundant number, since it is smaller than the sum of its proper divisors (220536927808).

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

197154463232 is an equidigital number, since it uses as much as digits as its factorization.

197154463232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1028 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The spelling of 197154463232 in words is "one hundred ninety-seven billion, one hundred fifty-four million, four hundred sixty-three thousand, two hundred thirty-two".