1016767678 has 4 divisors (see below), whose sum is σ = 1525151520. Its totient is φ = 508383838.

The previous prime is 1016767663. The next prime is 1016767751. The reversal of 1016767678 is 8767676101.

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

It is a super-2 number, since 2×1016767678² = 2067633022051023368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254191918 + ... + 254191921.

It is an arithmetic number, because the mean of its divisors is an integer number (381287880).

Almost surely, 2^1016767678 is an apocalyptic number.

1016767678 is a deficient number, since it is larger than the sum of its proper divisors (508383842).

1016767678 is an equidigital number, since it uses as much as digits as its factorization.

1016767678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508383841.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 1016767678 is about 31886.7947275984. The cubic root of 1016767678 is about 1005.5582743464.

The spelling of 1016767678 in words is "one billion, sixteen million, seven hundred sixty-seven thousand, six hundred seventy-eight".