9553165401 has 16 divisors (see below), whose sum is σ = 14439333440. Its totient is φ = 5569456320.

The previous prime is 9553165373. The next prime is 9553165403. The reversal of 9553165401 is 1045613559.

It is a happy number.

It is not a de Polignac number, because 9553165401 - 2⁶ = 9553165337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9553165401.

It is not an unprimeable number, because it can be changed into a prime (9553165403) 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, 6445390 + ... + 6446871.

It is an arithmetic number, because the mean of its divisors is an integer number (902458340).

Almost surely, 2^9553165401 is an apocalyptic number.

It is an amenable number.

9553165401 is a deficient number, since it is larger than the sum of its proper divisors (4886168039).

9553165401 is a wasteful number, since it uses less digits than its factorization.

9553165401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12892296.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 9553165401 is about 97740.2956870911. The cubic root of 9553165401 is about 2121.8553090070.

The spelling of 9553165401 in words is "nine billion, five hundred fifty-three million, one hundred sixty-five thousand, four hundred one".