662167056 has 80 divisors (see below), whose sum is σ = 1828632960. Its totient is φ = 205962240.

The previous prime is 662166997. The next prime is 662167061. The reversal of 662167056 is 650761266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37950 + ... + 52578.

It is an arithmetic number, because the mean of its divisors is an integer number (22857912).

Almost surely, 2^662167056 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 662167056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914316480).

662167056 is an abundant number, since it is smaller than the sum of its proper divisors (1166465904).

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

662167056 is a wasteful number, since it uses less digits than its factorization.

662167056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704 (or 14698 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 662167056 is about 25732.6068636662. The cubic root of 662167056 is about 871.6106403567.

The spelling of 662167056 in words is "six hundred sixty-two million, one hundred sixty-seven thousand, fifty-six".