2523216533406 has 16 divisors (see below), whose sum is σ = 5064264989184. Its totient is φ = 838100190744.

The previous prime is 2523216533393. The next prime is 2523216533407. The reversal of 2523216533406 is 6043356123252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523216533407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742994926 + ... + 742998321.

It is an arithmetic number, because the mean of its divisors is an integer number (316516561824).

Almost surely, 2^{2523216533406} is an apocalyptic number.

2523216533406 is an abundant number, since it is smaller than the sum of its proper divisors (2541048455778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523216533406 is a wasteful number, since it uses less digits than its factorization.

2523216533406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485993535.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 2523216533406 in words is "two trillion, five hundred twenty-three billion, two hundred sixteen million, five hundred thirty-three thousand, four hundred six".