1601246704545 has 48 divisors (see below), whose sum is σ = 2900801226960. Its totient is φ = 816049446912.

The previous prime is 1601246704507. The next prime is 1601246704559. The reversal of 1601246704545 is 5454076421061.

1601246704545 is a `hidden beast` number, since 1 + 6 + 0 + 124 + 6 + 70 + 454 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8524459584 + 1592722244961 = 92328^2 + 1262031^2 .

It is not a de Polignac number, because 1601246704545 - 2⁶ = 1601246704481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1601246704545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6198204 + ... + 6451373.

It is an arithmetic number, because the mean of its divisors is an integer number (60433358895).

Almost surely, 2^{1601246704545} is an apocalyptic number.

1601246704545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601246704545 is a deficient number, since it is larger than the sum of its proper divisors (1299554522415).

1601246704545 is a wasteful number, since it uses less digits than its factorization.

1601246704545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12649714 (or 12649711 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 1601246704545 in words is "one trillion, six hundred one billion, two hundred forty-six million, seven hundred four thousand, five hundred forty-five".