1616040047 has 2 divisors, whose sum is σ = 1616040048. Its totient is φ = 1616040046.

The previous prime is 1616039989. The next prime is 1616040059. The reversal of 1616040047 is 7400406161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1616040047 - 2⁶ = 1616039983 is a prime.

It is a super-2 number, since 2×1616040047² = 5223170867015524418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616040947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808020023 + 808020024.

It is an arithmetic number, because the mean of its divisors is an integer number (808020024).

Almost surely, 2^1616040047 is an apocalyptic number.

1616040047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616040047 is an equidigital number, since it uses as much as digits as its factorization.

1616040047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1616040047 is about 40200.0005845771. Note that the first 3 decimals coincide. The cubic root of 1616040047 is about 1173.5025552695.

The spelling of 1616040047 in words is "one billion, six hundred sixteen million, forty thousand, forty-seven".