6555426651 has 6 divisors (see below), whose sum is σ = 9468949620. Its totient is φ = 4370284428.

The previous prime is 6555426643. The next prime is 6555426679. The reversal of 6555426651 is 1566245556.

6555426651 is a `hidden beast` number, since 6 + 55 + 542 + 6 + 6 + 51 = 666.

It is not a de Polignac number, because 6555426651 - 2³ = 6555426643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6555426597 and 6555426606.

It is not an unprimeable number, because it can be changed into a prime (6555426601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364190361 + ... + 364190378.

It is an arithmetic number, because the mean of its divisors is an integer number (1578158270).

Almost surely, 2^6555426651 is an apocalyptic number.

6555426651 is a deficient number, since it is larger than the sum of its proper divisors (2913522969).

6555426651 is a wasteful number, since it uses less digits than its factorization.

6555426651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728380745 (or 728380742 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 6555426651 is about 80965.5893018756. The cubic root of 6555426651 is about 1871.5452021881.

The spelling of 6555426651 in words is "six billion, five hundred fifty-five million, four hundred twenty-six thousand, six hundred fifty-one".