1016111623 has 8 divisors (see below), whose sum is σ = 1019716848. Its totient is φ = 1012513344.

The previous prime is 1016111581. The next prime is 1016111627. The reversal of 1016111623 is 3261116101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1016111623 - 2⁹ = 1016111111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016111594 and 1016111603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016111627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585465 + ... + 587197.

It is an arithmetic number, because the mean of its divisors is an integer number (127464606).

Almost surely, 2^1016111623 is an apocalyptic number.

1016111623 is a deficient number, since it is larger than the sum of its proper divisors (3605225).

1016111623 is a wasteful number, since it uses less digits than its factorization.

1016111623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1016111623 is about 31876.5058154121. The cubic root of 1016111623 is about 1005.3419537170.

Adding to 1016111623 its reverse (3261116101), we get a palindrome (4277227724).

The spelling of 1016111623 in words is "one billion, sixteen million, one hundred eleven thousand, six hundred twenty-three".