195516381604 has 12 divisors (see below), whose sum is σ = 342839350000. Its totient is φ = 97562281608.

The previous prime is 195516381559. The next prime is 195516381617. The reversal of 195516381604 is 406183615591.

It is a super-2 number, since 2×195516381604² (a number of 23 digits) contains 22 as substring.

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, 48975054 + ... + 48979045.

Almost surely, 2^195516381604 is an apocalyptic number.

It is an amenable number.

195516381604 is a deficient number, since it is larger than the sum of its proper divisors (147322968396).

195516381604 is a wasteful number, since it uses less digits than its factorization.

195516381604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97954602 (or 97954600 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 195516381604 in words is "one hundred ninety-five billion, five hundred sixteen million, three hundred eighty-one thousand, six hundred four".