197627664 has 160 divisors (see below), whose sum is σ = 588851200. Its totient is φ = 56609280.

The previous prime is 197627657. The next prime is 197627681. The reversal of 197627664 is 466726791.

197627664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936519 + ... + 936729.

It is an arithmetic number, because the mean of its divisors is an integer number (3680320).

Almost surely, 2^197627664 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 197627664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294425600).

197627664 is an abundant number, since it is smaller than the sum of its proper divisors (391223536).

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

197627664 is a wasteful number, since it uses less digits than its factorization.

197627664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 327 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 197627664 is about 14058.0106700770. The cubic root of 197627664 is about 582.4820936737.

The spelling of 197627664 in words is "one hundred ninety-seven million, six hundred twenty-seven thousand, six hundred sixty-four".