6527661044 has 6 divisors (see below), whose sum is σ = 11423406834. Its totient is φ = 3263830520.

The previous prime is 6527661029. The next prime is 6527661047. The reversal of 6527661044 is 4401667256.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5159548900 + 1368112144 = 71830^2 + 36988^2 .

It is a super-2 number, since 2×6527661044² = 85220717410710339872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6527660992 and 6527661010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6527661047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815957627 + ... + 815957634.

It is an arithmetic number, because the mean of its divisors is an integer number (1903901139).

Almost surely, 2^6527661044 is an apocalyptic number.

It is an amenable number.

6527661044 is a deficient number, since it is larger than the sum of its proper divisors (4895745790).

6527661044 is a wasteful number, since it uses less digits than its factorization.

6527661044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631915265 (or 1631915263 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 6527661044 is about 80793.9418768511. The cubic root of 6527661044 is about 1868.8991436855.

The spelling of 6527661044 in words is "six billion, five hundred twenty-seven million, six hundred sixty-one thousand, forty-four".