1613240022656 has 32 divisors (see below), whose sum is σ = 3230190752580. Its totient is φ = 802525480960.

The previous prime is 1613240022643. The next prime is 1613240022659. The reversal of 1613240022656 is 6562200423161.

It can be written as a sum of positive squares in 2 ways, for example, as 1611985729600 + 1254293056 = 1269640^2 + 35416^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1613240022659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31963205 + ... + 32013636.

Almost surely, 2^{1613240022656} is an apocalyptic number.

1613240022656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1613240022656 is an abundant number, since it is smaller than the sum of its proper divisors (1616950729924).

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

1613240022656 is an equidigital number, since it uses as much as digits as its factorization.

1613240022656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63977052 (or 63977040 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1613240022656 in words is "one trillion, six hundred thirteen billion, two hundred forty million, twenty-two thousand, six hundred fifty-six".