1016632572 has 72 divisors (see below), whose sum is σ = 2586611664. Its totient is φ = 309477888.

The previous prime is 1016632571. The next prime is 1016632583. The reversal of 1016632572 is 2752366101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016632571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2769933 + ... + 2770299.

It is an arithmetic number, because the mean of its divisors is an integer number (35925162).

Almost surely, 2^1016632572 is an apocalyptic number.

1016632572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016632572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1293305832).

1016632572 is an abundant number, since it is smaller than the sum of its proper divisors (1569979092).

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

1016632572 is a wasteful number, since it uses less digits than its factorization.

1016632572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1016632572 is about 31884.6761313331. The cubic root of 1016632572 is about 1005.5137335344.

Adding to 1016632572 its reverse (2752366101), we get a palindrome (3768998673).

The spelling of 1016632572 in words is "one billion, sixteen million, six hundred thirty-two thousand, five hundred seventy-two".