16531699344404 has 96 divisors (see below), whose sum is σ = 31175012453760. Its totient is φ = 7642960252928.

The previous prime is 16531699344367. The next prime is 16531699344437. The reversal of 16531699344404 is 40444399613561.

It is a super-2 number, since 2×16531699344404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2097129047 + ... + 2097136929.

It is an arithmetic number, because the mean of its divisors is an integer number (324739713060).

Almost surely, 2^{16531699344404} is an apocalyptic number.

It is an amenable number.

16531699344404 is a deficient number, since it is larger than the sum of its proper divisors (14643313109356).

16531699344404 is a wasteful number, since it uses less digits than its factorization.

16531699344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10169 (or 10167 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 59.

The spelling of 16531699344404 in words is "sixteen trillion, five hundred thirty-one billion, six hundred ninety-nine million, three hundred forty-four thousand, four hundred four".