197103103550 has 24 divisors (see below), whose sum is σ = 371775325392. Its totient is φ = 77730800000.

The previous prime is 197103103511. The next prime is 197103103567. The reversal of 197103103550 is 55301301791.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 197103103550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27757451 + ... + 27764550.

It is an arithmetic number, because the mean of its divisors is an integer number (15490638558).

Almost surely, 2^197103103550 is an apocalyptic number.

197103103550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197103103550 is a deficient number, since it is larger than the sum of its proper divisors (174672221842).

197103103550 is a wasteful number, since it uses less digits than its factorization.

197103103550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55522084 (or 55522079 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 35.

The spelling of 197103103550 in words is "one hundred ninety-seven billion, one hundred three million, one hundred three thousand, five hundred fifty".