1015022664 has 96 divisors (see below), whose sum is σ = 2893756320. Its totient is φ = 333248256.

The previous prime is 1015022653. The next prime is 1015022711. The reversal of 1015022664 is 4662205101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126352 + ... + 134144.

It is an arithmetic number, because the mean of its divisors is an integer number (30143295).

Almost surely, 2^1015022664 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 1015022664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446878160).

1015022664 is an abundant number, since it is smaller than the sum of its proper divisors (1878733656).

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

1015022664 is an equidigital number, since it uses as much as digits as its factorization.

1015022664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881 (or 7865 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1015022664 is about 31859.4203337098. The cubic root of 1015022664 is about 1004.9826862689.

Adding to 1015022664 its reverse (4662205101), we get a palindrome (5677227765).

The spelling of 1015022664 in words is "one billion, fifteen million, twenty-two thousand, six hundred sixty-four".