2153445016 has 8 divisors (see below), whose sum is σ = 4037709420. Its totient is φ = 1076722504.

The previous prime is 2153444983. The next prime is 2153445017. The reversal of 2153445016 is 6105443512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153445017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134590306 + ... + 134590321.

Almost surely, 2^2153445016 is an apocalyptic number.

It is an amenable number.

2153445016 is a deficient number, since it is larger than the sum of its proper divisors (1884264404).

2153445016 is a wasteful number, since it uses less digits than its factorization.

2153445016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269180633 (or 269180629 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2153445016 is about 46405.2261711976. The cubic root of 2153445016 is about 1291.3518700600.

Adding to 2153445016 its reverse (6105443512), we get a palindrome (8258888528).

The spelling of 2153445016 in words is "two billion, one hundred fifty-three million, four hundred forty-five thousand, sixteen".