5221661502 has 32 divisors (see below), whose sum is σ = 10478361600. Its totient is φ = 1734726240.

The previous prime is 5221661461. The next prime is 5221661531. The reversal of 5221661502 is 2051661225.

It is a self number, because there is not a number n which added to its sum of digits gives 5221661502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3668763 + ... + 3670185.

It is an arithmetic number, because the mean of its divisors is an integer number (327448800).

Almost surely, 2^5221661502 is an apocalyptic number.

5221661502 is an abundant number, since it is smaller than the sum of its proper divisors (5256700098).

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

5221661502 is a wasteful number, since it uses less digits than its factorization.

5221661502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 5221661502 is about 72261.0649105035. The cubic root of 5221661502 is about 1734.8805241804.

The spelling of 5221661502 in words is "five billion, two hundred twenty-one million, six hundred sixty-one thousand, five hundred two".