1620466327 has 2 divisors, whose sum is σ = 1620466328. Its totient is φ = 1620466326.

The previous prime is 1620466313. The next prime is 1620466363. The reversal of 1620466327 is 7236640261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1620466327 is a prime.

It is a super-2 number, since 2×1620466327² = 5251822233881741858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1620466307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810233163 + 810233164.

It is an arithmetic number, because the mean of its divisors is an integer number (810233164).

Almost surely, 2^1620466327 is an apocalyptic number.

1620466327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1620466327 is an equidigital number, since it uses as much as digits as its factorization.

1620466327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1620466327 is about 40255.0161719009. The cubic root of 1620466327 is about 1174.5729734210.

The spelling of 1620466327 in words is "one billion, six hundred twenty million, four hundred sixty-six thousand, three hundred twenty-seven".