1616051413 has 8 divisors (see below), whose sum is σ = 1674569600. Its totient is φ = 1558484928.

The previous prime is 1616051401. The next prime is 1616051429. The reversal of 1616051413 is 3141506161.

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 1616051413 - 2²¹ = 1613954261 is a prime.

It is a super-2 number, since 2×1616051413² = 5223244338918593138, which 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 (1616051453) 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, 234468 + ... + 241261.

It is an arithmetic number, because the mean of its divisors is an integer number (209321200).

Almost surely, 2^1616051413 is an apocalyptic number.

It is an amenable number.

1616051413 is a deficient number, since it is larger than the sum of its proper divisors (58518187).

1616051413 is an equidigital number, since it uses as much as digits as its factorization.

1616051413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475851.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1616051413 is about 40200.1419524857. The cubic root of 1616051413 is about 1173.5053064387.

Adding to 1616051413 its reverse (3141506161), we get a palindrome (4757557574).

The spelling of 1616051413 in words is "one billion, six hundred sixteen million, fifty-one thousand, four hundred thirteen".