1016506243 has 8 divisors (see below), whose sum is σ = 1020700512. Its totient is φ = 1012319616.

The previous prime is 1016506207. The next prime is 1016506247. The reversal of 1016506243 is 3426056101.

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 1016506243 - 2²⁵ = 982951811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016506247) 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, 540621 + ... + 542497.

It is an arithmetic number, because the mean of its divisors is an integer number (127587564).

Almost surely, 2^1016506243 is an apocalyptic number.

1016506243 is a deficient number, since it is larger than the sum of its proper divisors (4194269).

1016506243 is a wasteful number, since it uses less digits than its factorization.

1016506243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1016506243 is about 31882.6950397861. The cubic root of 1016506243 is about 1005.4720826929.

The spelling of 1016506243 in words is "one billion, sixteen million, five hundred six thousand, two hundred forty-three".