658631652 has 96 divisors (see below), whose sum is σ = 1789820928. Its totient is φ = 184633344.

The previous prime is 658631627. The next prime is 658631671. The reversal of 658631652 is 256136856.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1141188 + ... + 1141764.

It is an arithmetic number, because the mean of its divisors is an integer number (18643968).

Almost surely, 2^658631652 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 658631652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894910464).

658631652 is an abundant number, since it is smaller than the sum of its proper divisors (1131189276).

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

658631652 is a wasteful number, since it uses less digits than its factorization.

658631652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 658631652 is about 25663.8199027347. The cubic root of 658631652 is about 870.0566537291.

The spelling of 658631652 in words is "six hundred fifty-eight million, six hundred thirty-one thousand, six hundred fifty-two".