1673215136 has 24 divisors (see below), whose sum is σ = 3301673760. Its totient is φ = 834694848.

The previous prime is 1673215133. The next prime is 1673215139. The reversal of 1673215136 is 6315123761.

It is an interprime number because it is at equal distance from previous prime (1673215133) and next prime (1673215139).

It is a junction number, because it is equal to n+sod(n) for n = 1673215096 and 1673215105.

It is not an unprimeable number, because it can be changed into a prime (1673215133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45506 + ... + 73601.

It is an arithmetic number, because the mean of its divisors is an integer number (137569740).

Almost surely, 2^1673215136 is an apocalyptic number.

1673215136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1673215136 is a deficient number, since it is larger than the sum of its proper divisors (1628458624).

1673215136 is a wasteful number, since it uses less digits than its factorization.

1673215136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119556 (or 119548 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 1673215136 is about 40904.9524629965. The cubic root of 1673215136 is about 1187.1818859954.

Adding to 1673215136 its reverse (6315123761), we get a palindrome (7988338897).

The spelling of 1673215136 in words is "one billion, six hundred seventy-three million, two hundred fifteen thousand, one hundred thirty-six".