1697416864 has 96 divisors (see below), whose sum is σ = 4061715840. Its totient is φ = 687590400.

The previous prime is 1697416817. The next prime is 1697416879. The reversal of 1697416864 is 4686147961.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126309 + ... + 139099.

It is an arithmetic number, because the mean of its divisors is an integer number (42309540).

Almost surely, 2^1697416864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1697416864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2030857920).

1697416864 is an abundant number, since it is smaller than the sum of its proper divisors (2364298976).

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

1697416864 is a wasteful number, since it uses less digits than its factorization.

1697416864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12854 (or 12846 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 1697416864 is about 41199.7192223442. The cubic root of 1697416864 is about 1192.8783895326.

The spelling of 1697416864 in words is "one billion, six hundred ninety-seven million, four hundred sixteen thousand, eight hundred sixty-four".