1616424406 has 16 divisors (see below), whose sum is σ = 2536457184. Its totient is φ = 771116544.

The previous prime is 1616424367. The next prime is 1616424427. The reversal of 1616424406 is 6044246161.

It is a super-2 number, since 2×1616424406² = 5225655720624905672, 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 7 ways as a sum of consecutive naturals, for example, 25995 + ... + 62518.

It is an arithmetic number, because the mean of its divisors is an integer number (158528574).

Almost surely, 2^1616424406 is an apocalyptic number.

1616424406 is a deficient number, since it is larger than the sum of its proper divisors (920032778).

1616424406 is a wasteful number, since it uses less digits than its factorization.

1616424406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88935.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1616424406 is about 40204.7808848649. The cubic root of 1616424406 is about 1173.5955831857.

The spelling of 1616424406 in words is "one billion, six hundred sixteen million, four hundred twenty-four thousand, four hundred six".