662606958 has 64 divisors (see below), whose sum is σ = 1490227200. Its totient is φ = 195022080.

The previous prime is 662606953. The next prime is 662606963. The reversal of 662606958 is 859606266.

It is an interprime number because it is at equal distance from previous prime (662606953) and next prime (662606963).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662606953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213663 + ... + 216741.

It is an arithmetic number, because the mean of its divisors is an integer number (23284800).

Almost surely, 2^662606958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662606958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745113600).

662606958 is an abundant number, since it is smaller than the sum of its proper divisors (827620242).

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

662606958 is a wasteful number, since it uses less digits than its factorization.

662606958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 662606958 is about 25741.1530044790. The cubic root of 662606958 is about 871.8036119965.

The spelling of 662606958 in words is "six hundred sixty-two million, six hundred six thousand, nine hundred fifty-eight".