6634155145631 has 16 divisors (see below), whose sum is σ = 7392883112160. Its totient is φ = 5911031064960.

The previous prime is 6634155145601. The next prime is 6634155145691. The reversal of 6634155145631 is 1365415514366.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6634155145631 - 2¹⁴ = 6634155129247 is a prime.

It is a super-2 number, since 2×6634155145631² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6634155145631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634155145601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073165 + ... + 3797366.

It is an arithmetic number, because the mean of its divisors is an integer number (462055194510).

Almost surely, 2^{6634155145631} is an apocalyptic number.

6634155145631 is a deficient number, since it is larger than the sum of its proper divisors (758727966529).

6634155145631 is a wasteful number, since it uses less digits than its factorization.

6634155145631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874186.

The product of its digits is 3888000, while the sum is 50.

The spelling of 6634155145631 in words is "six trillion, six hundred thirty-four billion, one hundred fifty-five million, one hundred forty-five thousand, six hundred thirty-one".