1617461064445 has 8 divisors (see below), whose sum is σ = 1952860967136. Its totient is φ = 1286030391696.

The previous prime is 1617461064419. The next prime is 1617461064521. The reversal of 1617461064445 is 5444601647161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1617461064445 - 2²³ = 1617452675837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992306587 + ... + 992308216.

It is an arithmetic number, because the mean of its divisors is an integer number (244107620892).

Almost surely, 2^{1617461064445} is an apocalyptic number.

It is an amenable number.

1617461064445 is a deficient number, since it is larger than the sum of its proper divisors (335399902691).

1617461064445 is a wasteful number, since it uses less digits than its factorization.

1617461064445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984614971.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 1617461064445 in words is "one trillion, six hundred seventeen billion, four hundred sixty-one million, sixty-four thousand, four hundred forty-five".