1672766653 has 2 divisors, whose sum is σ = 1672766654. Its totient is φ = 1672766652.

The previous prime is 1672766639. The next prime is 1672766687. The reversal of 1672766653 is 3566672761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1641708324 + 31058329 = 40518^2 + 5573^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672766653 - 2²¹ = 1670669501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672766597 and 1672766606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1672766353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836383326 + 836383327.

It is an arithmetic number, because the mean of its divisors is an integer number (836383327).

Almost surely, 2^1672766653 is an apocalyptic number.

It is an amenable number.

1672766653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672766653 is an equidigital number, since it uses as much as digits as its factorization.

1672766653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 49.

The square root of 1672766653 is about 40899.4700821417. The cubic root of 1672766653 is about 1187.0758070938.

The spelling of 1672766653 in words is "one billion, six hundred seventy-two million, seven hundred sixty-six thousand, six hundred fifty-three".