1655164003 has 2 divisors, whose sum is σ = 1655164004. Its totient is φ = 1655164002.

The previous prime is 1655163941. The next prime is 1655164037. The reversal of 1655164003 is 3004615561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1655164003 - 2¹⁷ = 1655032931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1655564003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827582001 + 827582002.

It is an arithmetic number, because the mean of its divisors is an integer number (827582002).

Almost surely, 2^1655164003 is an apocalyptic number.

1655164003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655164003 is an equidigital number, since it uses as much as digits as its factorization.

1655164003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1655164003 is about 40683.7068493027. The cubic root of 1655164003 is about 1182.8972192731.

Adding to 1655164003 its reverse (3004615561), we get a palindrome (4659779564).

The spelling of 1655164003 in words is "one billion, six hundred fifty-five million, one hundred sixty-four thousand, three".