1677161427 has 8 divisors (see below), whose sum is σ = 2239408080. Its totient is φ = 1116511200.

The previous prime is 1677161417. The next prime is 1677161531. The reversal of 1677161427 is 7241617761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1677161427 - 2¹⁰ = 1677160403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1677161417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396652 + ... + 400857.

It is an arithmetic number, because the mean of its divisors is an integer number (279926010).

Almost surely, 2^1677161427 is an apocalyptic number.

1677161427 is a deficient number, since it is larger than the sum of its proper divisors (562246653).

1677161427 is an equidigital number, since it uses as much as digits as its factorization.

1677161427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798213.

The product of its digits is 98784, while the sum is 42.

The square root of 1677161427 is about 40953.1613798007. The cubic root of 1677161427 is about 1188.1144791278.

The spelling of 1677161427 in words is "one billion, six hundred seventy-seven million, one hundred sixty-one thousand, four hundred twenty-seven".