16661176047741 has 16 divisors (see below), whose sum is σ = 22244134550400. Its totient is φ = 11092839625728.

The previous prime is 16661176047721. The next prime is 16661176047751. The reversal of 16661176047741 is 14774067116661.

It is a de Polignac number, because none of the positive numbers 2^k-16661176047741 is a prime.

It is a super-2 number, since 2×16661176047741² (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 (16661176047721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11470285 + ... + 12840941.

It is an arithmetic number, because the mean of its divisors is an integer number (1390258409400).

Almost surely, 2^{16661176047741} is an apocalyptic number.

It is an amenable number.

16661176047741 is a deficient number, since it is larger than the sum of its proper divisors (5582958502659).

16661176047741 is a wasteful number, since it uses less digits than its factorization.

16661176047741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375988.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 16661176047741 in words is "sixteen trillion, six hundred sixty-one billion, one hundred seventy-six million, forty-seven thousand, seven hundred forty-one".