2047165551644 has 12 divisors (see below), whose sum is σ = 3582583940544. Its totient is φ = 1023570140064.

The previous prime is 2047165551637. The next prime is 2047165551647. The reversal of 2047165551644 is 4461555617402.

It is a super-2 number, since 2×2047165551644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2047165551592 and 2047165551601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047165551647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789612 + ... + 3446195.

It is an arithmetic number, because the mean of its divisors is an integer number (298548661712).

Almost surely, 2^{2047165551644} is an apocalyptic number.

It is an amenable number.

2047165551644 is a deficient number, since it is larger than the sum of its proper divisors (1535418388900).

2047165551644 is a wasteful number, since it uses less digits than its factorization.

2047165551644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317884 (or 6317882 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 2047165551644 in words is "two trillion, forty-seven billion, one hundred sixty-five million, five hundred fifty-one thousand, six hundred forty-four".