6550651014985 has 32 divisors (see below), whose sum is σ = 10226561236992. Its totient is φ = 3905978239680.

The previous prime is 6550651014983. The next prime is 6550651014991. The reversal of 6550651014985 is 5894101560556.

It is not a de Polignac number, because 6550651014985 - 2¹ = 6550651014983 is a prime.

It is a super-2 number, since 2×6550651014985² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550651014983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369875449 + ... + 369893158.

It is an arithmetic number, because the mean of its divisors is an integer number (319580038656).

Almost surely, 2^{6550651014985} is an apocalyptic number.

It is an amenable number.

6550651014985 is a deficient number, since it is larger than the sum of its proper divisors (3675910222007).

6550651014985 is a wasteful number, since it uses less digits than its factorization.

6550651014985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739768653.

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 6550651014985 in words is "six trillion, five hundred fifty billion, six hundred fifty-one million, fourteen thousand, nine hundred eighty-five".