9611516401 has 4 divisors (see below), whose sum is σ = 9612630000. Its totient is φ = 9610402804.

The previous prime is 9611516399. The next prime is 9611516407. The reversal of 9611516401 is 1046151169.

9611516401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1046151169 = 7 ⋅149450167.

It is a cyclic number.

It is not a de Polignac number, because 9611516401 - 2¹ = 9611516399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9611516407) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 543751 + ... + 561148.

It is an arithmetic number, because the mean of its divisors is an integer number (2403157500).

Almost surely, 2^9611516401 is an apocalyptic number.

It is an amenable number.

9611516401 is a deficient number, since it is larger than the sum of its proper divisors (1113599).

9611516401 is a wasteful number, since it uses less digits than its factorization.

9611516401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113598.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 9611516401 is about 98038.3414843397. The cubic root of 9611516401 is about 2126.1666600177.

The spelling of 9611516401 in words is "nine billion, six hundred eleven million, five hundred sixteen thousand, four hundred one".