1697151020208 has 80 divisors (see below), whose sum is σ = 5020480930560. Its totient is φ = 483947589888.

The previous prime is 1697151020207. The next prime is 1697151020231. The reversal of 1697151020208 is 8020201517961.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1697151020208.

It is not an unprimeable number, because it can be changed into a prime (1697151020203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4790710 + ... + 5132757.

It is an arithmetic number, because the mean of its divisors is an integer number (62756011632).

Almost surely, 2^{1697151020208} is an apocalyptic number.

It is an amenable number.

1697151020208 is an abundant number, since it is smaller than the sum of its proper divisors (3323329910352).

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

1697151020208 is a wasteful number, since it uses less digits than its factorization.

1697151020208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923994 (or 9923988 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 1697151020208 in words is "one trillion, six hundred ninety-seven billion, one hundred fifty-one million, twenty thousand, two hundred eight".