1011365616 has 20 divisors (see below), whose sum is σ = 2612694632. Its totient is φ = 337121856.

The previous prime is 1011365609. The next prime is 1011365617. The reversal of 1011365616 is 6165631101.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011365617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10535011 + ... + 10535106.

Almost surely, 2^1011365616 is an apocalyptic number.

1011365616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1011365616 is an abundant number, since it is smaller than the sum of its proper divisors (1601329016).

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

1011365616 is a wasteful number, since it uses less digits than its factorization.

1011365616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21070128 (or 21070122 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1011365616 is about 31801.9750330070. The cubic root of 1011365616 is about 1003.7742755887.

Adding to 1011365616 its reverse (6165631101), we get a palindrome (7176996717).

The spelling of 1011365616 in words is "one billion, eleven million, three hundred sixty-five thousand, six hundred sixteen".