1616662411 has 16 divisors (see below), whose sum is σ = 2007359424. Its totient is φ = 1267789824.

The previous prime is 1616662381. The next prime is 1616662427. The reversal of 1616662411 is 1142666161.

It is not a de Polignac number, because 1616662411 - 2⁷ = 1616662283 is a prime.

It is a super-2 number, since 2×1616662411² = 5227194702280665842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616662211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68326 + ... + 88891.

It is an arithmetic number, because the mean of its divisors is an integer number (125459964).

Almost surely, 2^1616662411 is an apocalyptic number.

1616662411 is a deficient number, since it is larger than the sum of its proper divisors (390697013).

1616662411 is a wasteful number, since it uses less digits than its factorization.

1616662411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157350.

The product of its digits is 10368, while the sum is 34.

The square root of 1616662411 is about 40207.7406850969. The cubic root of 1616662411 is about 1173.6531810764.

The spelling of 1616662411 in words is "one billion, six hundred sixteen million, six hundred sixty-two thousand, four hundred eleven".