1522160661744 has 60 divisors (see below), whose sum is σ = 4265112179536. Its totient is φ = 506770338816.

The previous prime is 1522160661743. The next prime is 1522160661767. The reversal of 1522160661744 is 4471660612251.

1522160661744 is a `hidden beast` number, since 1 + 5 + 2 + 21 + 6 + 0 + 6 + 617 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1522160661744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522160661743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6303457 + ... + 6540480.

Almost surely, 2^{1522160661744} is an apocalyptic number.

It is an amenable number.

1522160661744 is an abundant number, since it is smaller than the sum of its proper divisors (2742951517792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1522160661744 is a wasteful number, since it uses less digits than its factorization.

1522160661744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844774 (or 12844765 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1522160661744 in words is "one trillion, five hundred twenty-two billion, one hundred sixty million, six hundred sixty-one thousand, seven hundred forty-four".