97165656 has 160 divisors (see below), whose sum is σ = 321530880. Its totient is φ = 26827200.

The previous prime is 97165637. The next prime is 97165667. The reversal of 97165656 is 65656179.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 140271 + ... + 140961.

It is an arithmetic number, because the mean of its divisors is an integer number (2009568).

Almost surely, 2^97165656 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 97165656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160765440).

97165656 is an abundant number, since it is smaller than the sum of its proper divisors (224365224).

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

97165656 is a wasteful number, since it uses less digits than its factorization.

97165656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 734 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 97165656 is about 9857.2641234777. The cubic root of 97165656 is about 459.7315005237.

The spelling of 97165656 in words is "ninety-seven million, one hundred sixty-five thousand, six hundred fifty-six".