9916043401 has 16 divisors (see below), whose sum is σ = 11120822208. Its totient is φ = 8762299200.

The previous prime is 9916043363. The next prime is 9916043453. The reversal of 9916043401 is 1043406199.

It is a cyclic number.

It is not a de Polignac number, because 9916043401 - 2³¹ = 7768559753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9916043471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420346 + ... + 443308.

It is an arithmetic number, because the mean of its divisors is an integer number (695051388).

Almost surely, 2^9916043401 is an apocalyptic number.

It is an amenable number.

9916043401 is a deficient number, since it is larger than the sum of its proper divisors (1204778807).

9916043401 is a wasteful number, since it uses less digits than its factorization.

9916043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24072.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 9916043401 is about 99579.3321980018. The cubic root of 9916043401 is about 2148.3884372575.

The spelling of 9916043401 in words is "nine billion, nine hundred sixteen million, forty-three thousand, four hundred one".