2161143462153 has 48 divisors (see below), whose sum is σ = 3349031935680. Its totient is φ = 1234556024832.

The previous prime is 2161143462103. The next prime is 2161143462173. The reversal of 2161143462153 is 3512643411612.

It is not a de Polignac number, because 2161143462153 - 2³⁰ = 2160069720329 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2161143462103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088223 + ... + 2346596.

It is an arithmetic number, because the mean of its divisors is an integer number (69771498660).

Almost surely, 2^{2161143462153} is an apocalyptic number.

It is an amenable number.

2161143462153 is a deficient number, since it is larger than the sum of its proper divisors (1187888473527).

2161143462153 is a wasteful number, since it uses less digits than its factorization.

2161143462153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434938 (or 3434925 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

Adding to 2161143462153 its reverse (3512643411612), we get a palindrome (5673786873765).

The spelling of 2161143462153 in words is "two trillion, one hundred sixty-one billion, one hundred forty-three million, four hundred sixty-two thousand, one hundred fifty-three".