1677140655 has 16 divisors (see below), whose sum is σ = 2684289120. Its totient is φ = 894187008.

The previous prime is 1677140609. The next prime is 1677140669. The reversal of 1677140655 is 5560417761.

It is not a de Polignac number, because 1677140655 - 2¹⁹ = 1676616367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35211 + ... + 67779.

It is an arithmetic number, because the mean of its divisors is an integer number (167768070).

Almost surely, 2^1677140655 is an apocalyptic number.

1677140655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1677140655 is a deficient number, since it is larger than the sum of its proper divisors (1007148465).

1677140655 is a wasteful number, since it uses less digits than its factorization.

1677140655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36010.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 1677140655 is about 40952.9077722205. The cubic root of 1677140655 is about 1188.1095740910.

The spelling of 1677140655 in words is "one billion, six hundred seventy-seven million, one hundred forty thousand, six hundred fifty-five".