1609614914436 has 243 divisors, whose sum is σ = 4449548308023. Its totient is φ = 490532487840.

The previous prime is 1609614914389. The next prime is 1609614914477. The reversal of 1609614914436 is 6344194169061.

The square root of 1609614914436 is 1268706.

It is a perfect power (a square), and thus also a powerful number.

1609614914436 is a `hidden beast` number, since 1 + 6 + 0 + 9 + 614 + 9 + 14 + 4 + 3 + 6 = 666.

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 80 ways as a sum of consecutive naturals, for example, 4483606825 + ... + 4483607183.

Almost surely, 2^{1609614914436} is an apocalyptic number.

1609614914436 is the 1268706-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1609614914436

1609614914436 is an abundant number, since it is smaller than the sum of its proper divisors (2839933393587).

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

1609614914436 is a wasteful number, since it uses less digits than its factorization.

1609614914436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 1609614914436 in words is "one trillion, six hundred nine billion, six hundred fourteen million, nine hundred fourteen thousand, four hundred thirty-six".