7266425561633 has 24 divisors (see below), whose sum is σ = 8781785349480. Its totient is φ = 5987783880960.

The previous prime is 7266425561621. The next prime is 7266425561669. The reversal of 7266425561633 is 3361655246627.

It can be written as a sum of positive squares in 4 ways, for example, as 276625506304 + 6989800055329 = 525952^2 + 2643823^2 .

It is not a de Polignac number, because 7266425561633 - 2²⁰ = 7266424513057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7266425561693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10642298 + ... + 11304483.

It is an arithmetic number, because the mean of its divisors is an integer number (365907722895).

Almost surely, 2^{7266425561633} is an apocalyptic number.

It is an amenable number.

7266425561633 is a deficient number, since it is larger than the sum of its proper divisors (1515359787847).

7266425561633 is a wasteful number, since it uses less digits than its factorization.

7266425561633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21947057 (or 21947050 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 56.

The spelling of 7266425561633 in words is "seven trillion, two hundred sixty-six billion, four hundred twenty-five million, five hundred sixty-one thousand, six hundred thirty-three".