1616428027 has 2 divisors, whose sum is σ = 1616428028. Its totient is φ = 1616428026.

The previous prime is 1616428019. The next prime is 1616428043. The reversal of 1616428027 is 7208246161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1616428027 - 2³ = 1616428019 is a prime.

It is a super-2 number, since 2×1616428027² = 5225679132942225458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616428067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808214013 + 808214014.

It is an arithmetic number, because the mean of its divisors is an integer number (808214014).

Almost surely, 2^1616428027 is an apocalyptic number.

1616428027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616428027 is an equidigital number, since it uses as much as digits as its factorization.

1616428027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1616428027 is about 40204.8259167976. The cubic root of 1616428027 is about 1173.5964595204.

The spelling of 1616428027 in words is "one billion, six hundred sixteen million, four hundred twenty-eight thousand, twenty-seven".