1677161203 has 12 divisors (see below), whose sum is σ = 1733031160. Its totient is φ = 1622776896.

The previous prime is 1677161153. The next prime is 1677161221. The reversal of 1677161203 is 3021617761.

It is not a de Polignac number, because 1677161203 - 2²¹ = 1675064051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1677161803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200968 + ... + 209146.

Almost surely, 2^1677161203 is an apocalyptic number.

1677161203 is a deficient number, since it is larger than the sum of its proper divisors (55869957).

1677161203 is an frugal number, since it uses more digits than its factorization.

1677161203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358 (or 8305 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1677161203 is about 40953.1586449690. The cubic root of 1677161203 is about 1188.1144262334.

Adding to 1677161203 its reverse (3021617761), we get a palindrome (4698778964).

The spelling of 1677161203 in words is "one billion, six hundred seventy-seven million, one hundred sixty-one thousand, two hundred three".