197964329472 has 960 divisors, whose sum is σ = 738023430144. Its totient is φ = 49686773760.

The previous prime is 197964329447. The next prime is 197964329483. The reversal of 197964329472 is 274923469791.

197964329472 is a `hidden beast` number, since 1 + 9 + 79 + 64 + 32 + 9 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1260919218 + ... + 1260919374.

Almost surely, 2^197964329472 is an apocalyptic number.

197964329472 is a gapful number since it is divisible by the number (12) 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 197964329472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369011715072).

197964329472 is an abundant number, since it is smaller than the sum of its proper divisors (540059100672).

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

197964329472 is a wasteful number, since it uses less digits than its factorization.

197964329472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 310 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 197964329472 in words is "one hundred ninety-seven billion, nine hundred sixty-four million, three hundred twenty-nine thousand, four hundred seventy-two".