6522011406 has 64 divisors (see below), whose sum is σ = 14729682240. Its totient is φ = 2138711040.

The previous prime is 6522011341. The next prime is 6522011411. The reversal of 6522011406 is 6041102256.

6522011406 is a `hidden beast` number, since 6 + 52 + 201 + 1 + 406 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6522011406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704976 + ... + 1708796.

It is an arithmetic number, because the mean of its divisors is an integer number (230151285).

Almost surely, 2^6522011406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6522011406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7364841120).

6522011406 is an abundant number, since it is smaller than the sum of its proper divisors (8207670834).

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

6522011406 is a wasteful number, since it uses less digits than its factorization.

6522011406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6522011406 is about 80758.9710558524. The cubic root of 6522011406 is about 1868.3598156810.

The spelling of 6522011406 in words is "six billion, five hundred twenty-two million, eleven thousand, four hundred six".