1016730661 has 8 divisors (see below), whose sum is σ = 1029611520. Its totient is φ = 1003864992.

The previous prime is 1016730647. The next prime is 1016730667. The reversal of 1016730661 is 1660376101.

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 1016730661 - 2¹⁷ = 1016599589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016730667) 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 7 ways as a sum of consecutive naturals, for example, 196060 + ... + 201178.

It is an arithmetic number, because the mean of its divisors is an integer number (128701440).

Almost surely, 2^1016730661 is an apocalyptic number.

It is an amenable number.

1016730661 is a deficient number, since it is larger than the sum of its proper divisors (12880859).

1016730661 is an equidigital number, since it uses as much as digits as its factorization.

1016730661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1016730661 is about 31886.2142782739. The cubic root of 1016730661 is about 1005.5460712302.

The spelling of 1016730661 in words is "one billion, sixteen million, seven hundred thirty thousand, six hundred sixty-one".