97164220 has 24 divisors (see below), whose sum is σ = 209561184. Its totient is φ = 37814976.

The previous prime is 97164217. The next prime is 97164227. The reversal of 97164220 is 2246179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97164227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64912 + ... + 66391.

It is an arithmetic number, because the mean of its divisors is an integer number (8731716).

Almost surely, 2^97164220 is an apocalyptic number.

It is an amenable number.

97164220 is an abundant number, since it is smaller than the sum of its proper divisors (112396964).

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

97164220 is a wasteful number, since it uses less digits than its factorization.

97164220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131349 (or 131347 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 97164220 is about 9857.1912835249. The cubic root of 97164220 is about 459.7292357396.

The spelling of 97164220 in words is "ninety-seven million, one hundred sixty-four thousand, two hundred twenty".