6656156098 has 12 divisors (see below), whose sum is σ = 10606090482. Its totient is φ = 3132308480.

The previous prime is 6656156077. The next prime is 6656156099. The reversal of 6656156098 is 8906516566.

It can be written as a sum of positive squares in 3 ways, for example, as 6282623169 + 373532929 = 79263^2 + 19327^2 .

It is not an unprimeable number, because it can be changed into a prime (6656156099) 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, 5757343 + ... + 5758498.

Almost surely, 2^6656156098 is an apocalyptic number.

6656156098 is a deficient number, since it is larger than the sum of its proper divisors (3949934384).

6656156098 is a wasteful number, since it uses less digits than its factorization.

6656156098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515877 (or 11515860 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The square root of 6656156098 is about 81585.2688786401. The cubic root of 6656156098 is about 1881.0824551355.

The spelling of 6656156098 in words is "six billion, six hundred fifty-six million, one hundred fifty-six thousand, ninety-eight".