1064630216 has 16 divisors (see below), whose sum is σ = 2149734300. Its totient is φ = 491367744.

The previous prime is 1064630197. The next prime is 1064630221. The reversal of 1064630216 is 6120364601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 764301316 + 300328900 = 27646^2 + 17330^2 .

It is a super-2 number, since 2×1064630216² = 2266874993640413312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118311 + ... + 5118518.

Almost surely, 2^1064630216 is an apocalyptic number.

It is an amenable number.

1064630216 is an abundant number, since it is smaller than the sum of its proper divisors (1085104084).

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

1064630216 is a wasteful number, since it uses less digits than its factorization.

1064630216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236848 (or 10236844 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1064630216 is about 32628.6716861107. The cubic root of 1064630216 is about 1021.0952658873.

Adding to 1064630216 its reverse (6120364601), we get a palindrome (7184994817).

The spelling of 1064630216 in words is "one billion, sixty-four million, six hundred thirty thousand, two hundred sixteen".