6527661057 has 48 divisors (see below), whose sum is σ = 9823656960. Its totient is φ = 4174329600.

The previous prime is 6527661047. The next prime is 6527661121. The reversal of 6527661057 is 7501667256.

6527661057 is a `hidden beast` number, since 6 + 5 + 27 + 6 + 610 + 5 + 7 = 666.

It is not a de Polignac number, because 6527661057 - 2³¹ = 4380177409 is a prime.

It is a super-2 number, since 2×6527661057² = 85220717750148714498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6527661017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4436832 + ... + 4438302.

It is an arithmetic number, because the mean of its divisors is an integer number (204659520).

Almost surely, 2^6527661057 is an apocalyptic number.

It is an amenable number.

6527661057 is a deficient number, since it is larger than the sum of its proper divisors (3295995903).

6527661057 is a wasteful number, since it uses less digits than its factorization.

6527661057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 6527661057 is about 80793.9419573027. The cubic root of 6527661057 is about 1868.8991449261.

The spelling of 6527661057 in words is "six billion, five hundred twenty-seven million, six hundred sixty-one thousand, fifty-seven".