9790051816 has 16 divisors (see below), whose sum is σ = 18358092900. Its totient is φ = 4894560384.

The previous prime is 9790051811. The next prime is 9790051823. The reversal of 9790051816 is 6181500979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7679016900 + 2111034916 = 87630^2 + 45946^2 .

It is a super-2 number, since 2×9790051816² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9790051811) 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, 41166 + ... + 145858.

Almost surely, 2^9790051816 is an apocalyptic number.

It is an amenable number.

9790051816 is a deficient number, since it is larger than the sum of its proper divisors (8568041084).

9790051816 is a wasteful number, since it uses less digits than its factorization.

9790051816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116388 (or 116384 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 9790051816 is about 98944.6906913150. The cubic root of 9790051816 is about 2139.2506049287.

The spelling of 9790051816 in words is "nine billion, seven hundred ninety million, fifty-one thousand, eight hundred sixteen".