662015016 has 120 divisors (see below), whose sum is σ = 1999836930. Its totient is φ = 196672896.

The previous prime is 662014993. The next prime is 662015021. The reversal of 662015016 is 610510266.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 39312900 + 622702116 = 6270^2 + 24954^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22828090 + ... + 22828118.

Almost surely, 2^662015016 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 662015016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999918465).

662015016 is an abundant number, since it is smaller than the sum of its proper divisors (1337821914).

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

662015016 is an equidigital number, since it uses as much as digits as its factorization.

662015016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 662015016 is about 25729.6524655892. The cubic root of 662015016 is about 871.5439251552.

It can be divided in two parts, 66201 and 5016, that added together give a palindrome (71217).

The spelling of 662015016 in words is "six hundred sixty-two million, fifteen thousand, sixteen".