3521424666 has 32 divisors (see below), whose sum is σ = 7084546560. Its totient is φ = 1166874624.

The previous prime is 3521424661. The next prime is 3521424689. The reversal of 3521424666 is 6664241253.

3521424666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3521424661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241586 + ... + 1244418.

It is an arithmetic number, because the mean of its divisors is an integer number (221392080).

Almost surely, 2^3521424666 is an apocalyptic number.

3521424666 is an abundant number, since it is smaller than the sum of its proper divisors (3563121894).

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

3521424666 is a wasteful number, since it uses less digits than its factorization.

3521424666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990.

The product of its digits is 207360, while the sum is 39.

The square root of 3521424666 is about 59341.5930524282. The cubic root of 3521424666 is about 1521.3861815126.

The spelling of 3521424666 in words is "three billion, five hundred twenty-one million, four hundred twenty-four thousand, six hundred sixty-six".