1520066226445 has 64 divisors (see below), whose sum is σ = 2028222846720. Its totient is φ = 1086375628800.

The previous prime is 1520066226433. The next prime is 1520066226461. The reversal of 1520066226445 is 5446226600251.

It is a happy number.

It is not a de Polignac number, because 1520066226445 - 2³⁹ = 970310412557 is a prime.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 390861061 + ... + 390864949.

It is an arithmetic number, because the mean of its divisors is an integer number (31690981980).

Almost surely, 2^{1520066226445} is an apocalyptic number.

It is an amenable number.

1520066226445 is a deficient number, since it is larger than the sum of its proper divisors (508156620275).

1520066226445 is a wasteful number, since it uses less digits than its factorization.

1520066226445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1520066226445 in words is "one trillion, five hundred twenty billion, sixty-six million, two hundred twenty-six thousand, four hundred forty-five".