16464011441631 has 16 divisors (see below), whose sum is σ = 23651171677056. Its totient is φ = 10127182264416.

The previous prime is 16464011441627. The next prime is 16464011441663. The reversal of 16464011441631 is 13614411046461.

It is not a de Polignac number, because 16464011441631 - 2² = 16464011441627 is a prime.

It is a super-2 number, since 2×16464011441631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464011441621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94017325 + ... + 94192278.

It is an arithmetic number, because the mean of its divisors is an integer number (1478198229816).

Almost surely, 2^{16464011441631} is an apocalyptic number.

16464011441631 is a deficient number, since it is larger than the sum of its proper divisors (7187160235425).

16464011441631 is a wasteful number, since it uses less digits than its factorization.

16464011441631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188211862.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 16464011441631 in words is "sixteen trillion, four hundred sixty-four billion, eleven million, four hundred forty-one thousand, six hundred thirty-one".