6216140514645 has 48 divisors (see below), whose sum is σ = 10793719722240. Its totient is φ = 3309407684352.

The previous prime is 6216140514601. The next prime is 6216140514691. The reversal of 6216140514645 is 5464150416126.

6216140514645 is a `hidden beast` number, since 6 + 2 + 1 + 61 + 405 + 146 + 45 = 666.

It is not a de Polignac number, because 6216140514645 - 2¹⁸ = 6216140252501 is a prime.

It is a super-2 number, since 2×6216140514645² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6216140514645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144650952 + ... + 144693918.

It is an arithmetic number, because the mean of its divisors is an integer number (224869160880).

Almost surely, 2^{6216140514645} is an apocalyptic number.

It is an amenable number.

6216140514645 is a deficient number, since it is larger than the sum of its proper divisors (4577579207595).

6216140514645 is a wasteful number, since it uses less digits than its factorization.

6216140514645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48594 (or 48591 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 6216140514645 in words is "six trillion, two hundred sixteen billion, one hundred forty million, five hundred fourteen thousand, six hundred forty-five".