6551610536 has 32 divisors (see below), whose sum is σ = 12868338240. Its totient is φ = 3121164288.

The previous prime is 6551610521. The next prime is 6551610551. The reversal of 6551610536 is 6350161556.

It is an interprime number because it is at equal distance from previous prime (6551610521) and next prime (6551610551).

It is a self number, because there is not a number n which added to its sum of digits gives 6551610536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21986 + ... + 116561.

It is an arithmetic number, because the mean of its divisors is an integer number (402135570).

Almost surely, 2^6551610536 is an apocalyptic number.

It is an amenable number.

6551610536 is a deficient number, since it is larger than the sum of its proper divisors (6316727704).

6551610536 is a wasteful number, since it uses less digits than its factorization.

6551610536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138833 (or 138829 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 6551610536 is about 80942.0195942750. The cubic root of 6551610536 is about 1871.1819704000.

The spelling of 6551610536 in words is "six billion, five hundred fifty-one million, six hundred ten thousand, five hundred thirty-six".