197745373632 has 28 divisors (see below), whose sum is σ = 523201301576. Its totient is φ = 65915124480.

The previous prime is 197745373627. The next prime is 197745373663. The reversal of 197745373632 is 236373547791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514961719 + ... + 514962102.

Almost surely, 2^197745373632 is an apocalyptic number.

197745373632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197745373632 is an abundant number, since it is smaller than the sum of its proper divisors (325455927944).

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

197745373632 is a wasteful number, since it uses less digits than its factorization.

197745373632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029923836 (or 1029923826 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 57.

The spelling of 197745373632 in words is "one hundred ninety-seven billion, seven hundred forty-five million, three hundred seventy-three thousand, six hundred thirty-two".