5410521666 has 48 divisors (see below), whose sum is σ = 12793461408. Its totient is φ = 1638916800.

The previous prime is 5410521647. The next prime is 5410521671. The reversal of 5410521666 is 6661250145.

It is a self number, because there is not a number n which added to its sum of digits gives 5410521666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879421 + ... + 885551.

It is an arithmetic number, because the mean of its divisors is an integer number (266530446).

Almost surely, 2^5410521666 is an apocalyptic number.

5410521666 is an abundant number, since it is smaller than the sum of its proper divisors (7382939742).

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

5410521666 is a wasteful number, since it uses less digits than its factorization.

5410521666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607 (or 10604 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5410521666 is about 73556.2483137904. The cubic root of 5410521666 is about 1755.5493680332.

It can be divided in two parts, 5410 and 521666, that added together give a square (527076 = 726²).

The spelling of 5410521666 in words is "five billion, four hundred ten million, five hundred twenty-one thousand, six hundred sixty-six".