1616094481 has 8 divisors (see below), whose sum is σ = 1628676000. Its totient is φ = 1603526880.

The previous prime is 1616094479. The next prime is 1616094503. The reversal of 1616094481 is 1844906161.

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 1616094481 - 2¹ = 1616094479 is a prime.

It is a super-2 number, since 2×1616094481² = 5223522743037318722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616094421) 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, 466845 + ... + 470293.

It is an arithmetic number, because the mean of its divisors is an integer number (203584500).

Almost surely, 2^1616094481 is an apocalyptic number.

It is an amenable number.

1616094481 is a deficient number, since it is larger than the sum of its proper divisors (12581519).

1616094481 is a wasteful number, since it uses less digits than its factorization.

1616094481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1616094481 is about 40200.6776186671. The cubic root of 1616094481 is about 1173.5157310405.

The spelling of 1616094481 in words is "one billion, six hundred sixteen million, ninety-four thousand, four hundred eighty-one".