6556151656616 has 32 divisors (see below), whose sum is σ = 12317427591840. Its totient is φ = 3271508879808.

The previous prime is 6556151656601. The next prime is 6556151656619. The reversal of 6556151656616 is 6166561516556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6556151656619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11222255 + ... + 11792001.

It is an arithmetic number, because the mean of its divisors is an integer number (384919612245).

Almost surely, 2^{6556151656616} is an apocalyptic number.

It is an amenable number.

6556151656616 is a deficient number, since it is larger than the sum of its proper divisors (5761275935224).

6556151656616 is a wasteful number, since it uses less digits than its factorization.

6556151656616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572633 (or 572629 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 59.

The spelling of 6556151656616 in words is "six trillion, five hundred fifty-six billion, one hundred fifty-one million, six hundred fifty-six thousand, six hundred sixteen".