1016326651 has 4 divisors (see below), whose sum is σ = 1016569872. Its totient is φ = 1016083432.

The previous prime is 1016326639. The next prime is 1016326669. The reversal of 1016326651 is 1566236101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1566236101 = 19 ⋅82433479.

It is a cyclic number.

It is not a de Polignac number, because 1016326651 - 2¹⁹ = 1015802363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016326601) 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, 115231 + ... + 123736.

It is an arithmetic number, because the mean of its divisors is an integer number (254142468).

Almost surely, 2^1016326651 is an apocalyptic number.

1016326651 is a deficient number, since it is larger than the sum of its proper divisors (243221).

1016326651 is an equidigital number, since it uses as much as digits as its factorization.

1016326651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243220.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1016326651 is about 31879.8784658913. The cubic root of 1016326651 is about 1005.4128650281.

The spelling of 1016326651 in words is "one billion, sixteen million, three hundred twenty-six thousand, six hundred fifty-one".