5521644766 has 8 divisors (see below), whose sum is σ = 9035418744. Its totient is φ = 2509838520.

The previous prime is 5521644731. The next prime is 5521644809. The reversal of 5521644766 is 6674461255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125491905 + ... + 125491948.

It is an arithmetic number, because the mean of its divisors is an integer number (1129427343).

Almost surely, 2^5521644766 is an apocalyptic number.

5521644766 is a deficient number, since it is larger than the sum of its proper divisors (3513773978).

5521644766 is a wasteful number, since it uses less digits than its factorization.

5521644766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250983866.

The product of its digits is 1209600, while the sum is 46.

The square root of 5521644766 is about 74307.7705627076. The cubic root of 5521644766 is about 1767.4866992564.

The spelling of 5521644766 in words is "five billion, five hundred twenty-one million, six hundred forty-four thousand, seven hundred sixty-six".