16135449717724 has 12 divisors (see below), whose sum is σ = 28245897096424. Its totient is φ = 8065193404464.

The previous prime is 16135449717707. The next prime is 16135449717757. The reversal of 16135449717724 is 42771794453161.

It is a super-2 number, since 2×16135449717724² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 632849259 + ... + 632874754.

Almost surely, 2^{16135449717724} is an apocalyptic number.

It is an amenable number.

16135449717724 is a deficient number, since it is larger than the sum of its proper divisors (12110447378700).

16135449717724 is a wasteful number, since it uses less digits than its factorization.

16135449717724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265727204 (or 1265727202 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 61.

The spelling of 16135449717724 in words is "sixteen trillion, one hundred thirty-five billion, four hundred forty-nine million, seven hundred seventeen thousand, seven hundred twenty-four".