16662473366742 has 24 divisors (see below), whose sum is σ = 41259457860816. Its totient is φ = 4760706676176.

The previous prime is 16662473366723. The next prime is 16662473366809. The reversal of 16662473366742 is 24766337426661.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 16662473366742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66120925933 + ... + 66120926184.

It is an arithmetic number, because the mean of its divisors is an integer number (1719144077534).

Almost surely, 2^{16662473366742} is an apocalyptic number.

16662473366742 is an abundant number, since it is smaller than the sum of its proper divisors (24596984494074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16662473366742 is a wasteful number, since it uses less digits than its factorization.

16662473366742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132241852132 (or 132241852129 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 63.

The spelling of 16662473366742 in words is "sixteen trillion, six hundred sixty-two billion, four hundred seventy-three million, three hundred sixty-six thousand, seven hundred forty-two".