6653520377 has 16 divisors (see below), whose sum is σ = 8012423040. Its totient is φ = 5397331968.

The previous prime is 6653520371. The next prime is 6653520409. The reversal of 6653520377 is 7730253566.

It is not a de Polignac number, because 6653520377 - 2¹² = 6653516281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6653520371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107513 + ... + 157689.

It is an arithmetic number, because the mean of its divisors is an integer number (500776440).

Almost surely, 2^6653520377 is an apocalyptic number.

It is an amenable number.

6653520377 is a deficient number, since it is larger than the sum of its proper divisors (1358902663).

6653520377 is a wasteful number, since it uses less digits than its factorization.

6653520377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51200.

The product of its (nonzero) digits is 793800, while the sum is 44.

The square root of 6653520377 is about 81569.1141118990. The cubic root of 6653520377 is about 1880.8341304754.

The spelling of 6653520377 in words is "six billion, six hundred fifty-three million, five hundred twenty thousand, three hundred seventy-seven".