6472161644744 has 32 divisors (see below), whose sum is σ = 12538415787840. Its totient is φ = 3130304049600.

The previous prime is 6472161644699. The next prime is 6472161644759. The reversal of 6472161644744 is 4474461612746.

It is a super-3 number, since 3×6472161644744³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6472161644744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107466602 + ... + 107526809.

It is an arithmetic number, because the mean of its divisors is an integer number (391825493370).

Almost surely, 2^{6472161644744} is an apocalyptic number.

It is an amenable number.

6472161644744 is a deficient number, since it is larger than the sum of its proper divisors (6066254143096).

6472161644744 is a wasteful number, since it uses less digits than its factorization.

6472161644744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214993541 (or 214993537 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 56.

The spelling of 6472161644744 in words is "six trillion, four hundred seventy-two billion, one hundred sixty-one million, six hundred forty-four thousand, seven hundred forty-four".