147641664 has 56 divisors (see below), whose sum is σ = 398971008. Its totient is φ = 48163840.

The previous prime is 147641603. The next prime is 147641677. The reversal of 147641664 is 466146741.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844 + ... + 17204.

Almost surely, 2^147641664 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 147641664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199485504).

147641664 is an abundant number, since it is smaller than the sum of its proper divisors (251329344).

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

147641664 is a wasteful number, since it uses less digits than its factorization.

147641664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16423 (or 16413 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 147641664 is about 12150.7886163821. The cubic root of 147641664 is about 528.5300004123.

The spelling of 147641664 in words is "one hundred forty-seven million, six hundred forty-one thousand, six hundred sixty-four".