1676771636 has 6 divisors (see below), whose sum is σ = 2934350370. Its totient is φ = 838385816.

The previous prime is 1676771597. The next prime is 1676771639. The reversal of 1676771636 is 6361776761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 928420900 + 748350736 = 30470^2 + 27356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676771639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209596451 + ... + 209596458.

It is an arithmetic number, because the mean of its divisors is an integer number (489058395).

Almost surely, 2^1676771636 is an apocalyptic number.

It is an amenable number.

1676771636 is a deficient number, since it is larger than the sum of its proper divisors (1257578734).

1676771636 is a wasteful number, since it uses less digits than its factorization.

1676771636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419192913 (or 419192911 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 50.

The square root of 1676771636 is about 40948.4021177872. The cubic root of 1676771636 is about 1188.0224283159.

The spelling of 1676771636 in words is "one billion, six hundred seventy-six million, seven hundred seventy-one thousand, six hundred thirty-six".