1697163216 has 240 divisors, whose sum is σ = 5303035584. Its totient is φ = 466034688.

The previous prime is 1697163199. The next prime is 1697163217. The reversal of 1697163216 is 6123617961.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697163217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9810106 + ... + 9810278.

Almost surely, 2^1697163216 is an apocalyptic number.

1697163216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1697163216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2651517792).

1697163216 is an abundant number, since it is smaller than the sum of its proper divisors (3605872368).

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

1697163216 is a wasteful number, since it uses less digits than its factorization.

1697163216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 325 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 1697163216 is about 41196.6408339321. The cubic root of 1697163216 is about 1192.8189685978.

The spelling of 1697163216 in words is "one billion, six hundred ninety-seven million, one hundred sixty-three thousand, two hundred sixteen".