1616391422 has 8 divisors (see below), whose sum is σ = 2426871216. Its totient is φ = 807434352.

The previous prime is 1616391373. The next prime is 1616391449. The reversal of 1616391422 is 2241936161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1616391422² = 5225442458230364168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378023 + ... + 382274.

It is an arithmetic number, because the mean of its divisors is an integer number (303358902).

Almost surely, 2^1616391422 is an apocalyptic number.

1616391422 is a deficient number, since it is larger than the sum of its proper divisors (810479794).

1616391422 is a wasteful number, since it uses less digits than its factorization.

1616391422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761362.

The product of its digits is 15552, while the sum is 35.

The square root of 1616391422 is about 40204.3706828001. The cubic root of 1616391422 is about 1173.5876005173.

The spelling of 1616391422 in words is "one billion, six hundred sixteen million, three hundred ninety-one thousand, four hundred twenty-two".