197495488616 has 32 divisors (see below), whose sum is σ = 371855746080. Its totient is φ = 98334120000.

The previous prime is 197495488607. The next prime is 197495488637. The reversal of 197495488616 is 616884594791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16401350 + ... + 16413386.

It is an arithmetic number, because the mean of its divisors is an integer number (11620492065).

Almost surely, 2^197495488616 is an apocalyptic number.

It is an amenable number.

197495488616 is a deficient number, since it is larger than the sum of its proper divisors (174360257464).

197495488616 is a wasteful number, since it uses less digits than its factorization.

197495488616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20465 (or 20461 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 68.

The spelling of 197495488616 in words is "one hundred ninety-seven billion, four hundred ninety-five million, four hundred eighty-eight thousand, six hundred sixteen".