1016071651 has 4 divisors (see below), whose sum is σ = 1161224752. Its totient is φ = 870918552.

The previous prime is 1016071649. The next prime is 1016071663. The reversal of 1016071651 is 1561706101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1016071651 - 2¹ = 1016071649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016071681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72576540 + ... + 72576553.

It is an arithmetic number, because the mean of its divisors is an integer number (290306188).

Almost surely, 2^1016071651 is an apocalyptic number.

1016071651 is a deficient number, since it is larger than the sum of its proper divisors (145153101).

1016071651 is an equidigital number, since it uses as much as digits as its factorization.

1016071651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145153100.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1016071651 is about 31875.8788271006. The cubic root of 1016071651 is about 1005.3287707639.

Adding to 1016071651 its reverse (1561706101), we get a palindrome (2577777752).

The spelling of 1016071651 in words is "one billion, sixteen million, seventy-one thousand, six hundred fifty-one".