6654551888 has 10 divisors (see below), whose sum is σ = 12893194314. Its totient is φ = 3327275936.

The previous prime is 6654551879. The next prime is 6654551921. The reversal of 6654551888 is 8881554566.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5620800784 + 1033751104 = 74972^2 + 32152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207954731 + ... + 207954762.

Almost surely, 2^6654551888 is an apocalyptic number.

It is an amenable number.

6654551888 is a deficient number, since it is larger than the sum of its proper divisors (6238642426).

6654551888 is a wasteful number, since it uses less digits than its factorization.

6654551888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415909501 (or 415909495 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 56.

The square root of 6654551888 is about 81575.4367931916. The cubic root of 6654551888 is about 1880.9313221741.

The spelling of 6654551888 in words is "six billion, six hundred fifty-four million, five hundred fifty-one thousand, eight hundred eighty-eight".