1616412123 has 24 divisors (see below), whose sum is σ = 2350296000. Its totient is φ = 1070490624.

The previous prime is 1616412067. The next prime is 1616412143. The reversal of 1616412123 is 3212146161.

It is a happy number.

1616412123 is a `hidden beast` number, since 1 + 6 + 1 + 641 + 2 + 12 + 3 = 666.

It is not a de Polignac number, because 1616412123 - 2⁶ = 1616412059 is a prime.

It is a super-2 number, since 2×1616412123² = 5225576302762734258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616412143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086286 + ... + 1087772.

It is an arithmetic number, because the mean of its divisors is an integer number (97929000).

Almost surely, 2^1616412123 is an apocalyptic number.

1616412123 is a deficient number, since it is larger than the sum of its proper divisors (733883877).

1616412123 is a wasteful number, since it uses less digits than its factorization.

1616412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2208 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1616412123 is about 40204.6281291097. The cubic root of 1616412123 is about 1173.5926105112.

Adding to 1616412123 its reverse (3212146161), we get a palindrome (4828558284).

The spelling of 1616412123 in words is "one billion, six hundred sixteen million, four hundred twelve thousand, one hundred twenty-three".