601501664 has 48 divisors (see below), whose sum is σ = 1221372432. Its totient is φ = 291452928.

The previous prime is 601501657. The next prime is 601501687. The reversal of 601501664 is 466105106.

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, 138632 + ... + 142904.

It is an arithmetic number, because the mean of its divisors is an integer number (25445259).

Almost surely, 2^601501664 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 601501664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610686216).

601501664 is an abundant number, since it is smaller than the sum of its proper divisors (619870768).

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

601501664 is a wasteful number, since it uses less digits than its factorization.

601501664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 601501664 is about 24525.5308607174. The cubic root of 601501664 is about 844.1357193603.

The spelling of 601501664 in words is "six hundred one million, five hundred one thousand, six hundred sixty-four".