1616938351 has 16 divisors (see below), whose sum is σ = 1864857600. Its totient is φ = 1373299200.

The previous prime is 1616938339. The next prime is 1616938397. The reversal of 1616938351 is 1538396161.

It is a happy number.

It is not a de Polignac number, because 1616938351 - 2⁷ = 1616938223 is a prime.

It is a super-2 number, since 2×1616938351² = 5228979261869198402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1616938298 and 1616938307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616138351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472890 + ... + 476296.

It is an arithmetic number, because the mean of its divisors is an integer number (116553600).

Almost surely, 2^1616938351 is an apocalyptic number.

1616938351 is a deficient number, since it is larger than the sum of its proper divisors (247919249).

1616938351 is a wasteful number, since it uses less digits than its factorization.

1616938351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014.

The product of its digits is 116640, while the sum is 43.

The square root of 1616938351 is about 40211.1719675018. The cubic root of 1616938351 is about 1173.7199522696.

The spelling of 1616938351 in words is "one billion, six hundred sixteen million, nine hundred thirty-eight thousand, three hundred fifty-one".