7363905661 has 12 divisors (see below), whose sum is σ = 8567632380. Its totient is φ = 6310846080.

The previous prime is 7363905599. The next prime is 7363905671. The reversal of 7363905661 is 1665093637.

It can be written as a sum of positive squares in 2 ways, for example, as 3526103161 + 3837802500 = 59381^2 + 61950^2 .

It is not a de Polignac number, because 7363905661 - 2¹⁹ = 7363381373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7363905671) 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 11 ways as a sum of consecutive naturals, for example, 441685 + ... + 458053.

It is an arithmetic number, because the mean of its divisors is an integer number (713969365).

Almost surely, 2^7363905661 is an apocalyptic number.

It is an amenable number.

7363905661 is a deficient number, since it is larger than the sum of its proper divisors (1203726719).

7363905661 is a wasteful number, since it uses less digits than its factorization.

7363905661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25564 (or 25557 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 7363905661 is about 85813.2021369672. The cubic root of 7363905661 is about 1945.5216678836.

The spelling of 7363905661 in words is "seven billion, three hundred sixty-three million, nine hundred five thousand, six hundred sixty-one".