1616336461 has 8 divisors (see below), whose sum is σ = 1632947264. Its totient is φ = 1599743520.

The previous prime is 1616336429. The next prime is 1616336471. The reversal of 1616336461 is 1646336161.

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 1616336461 - 2⁵ = 1616336429 is a prime.

It is a super-2 number, since 2×1616336461² = 5225087110316009042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1616336461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616336471) 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, 250921 + ... + 257281.

It is an arithmetic number, because the mean of its divisors is an integer number (204118408).

Almost surely, 2^1616336461 is an apocalyptic number.

It is an amenable number.

1616336461 is a deficient number, since it is larger than the sum of its proper divisors (16610803).

1616336461 is a wasteful number, since it uses less digits than its factorization.

1616336461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931.

The product of its digits is 46656, while the sum is 37.

The square root of 1616336461 is about 40203.6871567771. The cubic root of 1616336461 is about 1173.5742988136.

The spelling of 1616336461 in words is "one billion, six hundred sixteen million, three hundred thirty-six thousand, four hundred sixty-one".