3165616512461 has 8 divisors (see below), whose sum is σ = 3409150306464. Its totient is φ = 2922086265840.

The previous prime is 3165616512439. The next prime is 3165616512463. The reversal of 3165616512461 is 1642156165613.

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 3165616512461 - 2¹⁸ = 3165616250317 is a prime.

It is a super-2 number, since 2×3165616512461² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165616512463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137770 + ... + 2761476.

It is an arithmetic number, because the mean of its divisors is an integer number (426143788308).

Almost surely, 2^{3165616512461} is an apocalyptic number.

It is an amenable number.

3165616512461 is a deficient number, since it is larger than the sum of its proper divisors (243533794003).

3165616512461 is a wasteful number, since it uses less digits than its factorization.

3165616512461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773691.

The product of its digits is 777600, while the sum is 47.

The spelling of 3165616512461 in words is "three trillion, one hundred sixty-five billion, six hundred sixteen million, five hundred twelve thousand, four hundred sixty-one".