97671664 has 40 divisors (see below), whose sum is σ = 203156640. Its totient is φ = 45324288.

The previous prime is 97671659. The next prime is 97671671. The reversal of 97671664 is 46617679.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17397 + ... + 22315.

It is an arithmetic number, because the mean of its divisors is an integer number (5078916).

Almost surely, 2^97671664 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 97671664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101578320).

97671664 is an abundant number, since it is smaller than the sum of its proper divisors (105484976).

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

97671664 is a wasteful number, since it uses less digits than its factorization.

97671664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017 (or 5011 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 97671664 is about 9882.8975508198. The cubic root of 97671664 is about 460.5281646043.

The spelling of 97671664 in words is "ninety-seven million, six hundred seventy-one thousand, six hundred sixty-four".