7147445210661 has 48 divisors (see below), whose sum is σ = 11444380108800. Its totient is φ = 3952179876960.

The previous prime is 7147445210629. The next prime is 7147445210837. The reversal of 7147445210661 is 1660125447417.

It is not a de Polignac number, because 7147445210661 - 2⁵ = 7147445210629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7147445210661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7147445010661) 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 47 ways as a sum of consecutive naturals, for example, 62040690 + ... + 62155788.

It is an arithmetic number, because the mean of its divisors is an integer number (238424585600).

Almost surely, 2^{7147445210661} is an apocalyptic number.

It is an amenable number.

7147445210661 is a deficient number, since it is larger than the sum of its proper divisors (4296934898139).

7147445210661 is a wasteful number, since it uses less digits than its factorization.

7147445210661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128774 (or 128767 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 7147445210661 in words is "seven trillion, one hundred forty-seven billion, four hundred forty-five million, two hundred ten thousand, six hundred sixty-one".