999516711742 has 16 divisors (see below), whose sum is σ = 1506819736800. Its totient is φ = 497246358240.

The previous prime is 999516711733. The next prime is 999516711749. The reversal of 999516711742 is 247117615999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999516711749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30117 + ... + 1414192.

It is an arithmetic number, because the mean of its divisors is an integer number (94176233550).

Almost surely, 2^999516711742 is an apocalyptic number.

999516711742 is a deficient number, since it is larger than the sum of its proper divisors (507303025058).

999516711742 is a wasteful number, since it uses less digits than its factorization.

999516711742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446051.

The product of its digits is 8573040, while the sum is 61.

The spelling of 999516711742 in words is "nine hundred ninety-nine billion, five hundred sixteen million, seven hundred eleven thousand, seven hundred forty-two".