1677557136 has 20 divisors (see below), whose sum is σ = 4333689392. Its totient is φ = 559185696.

The previous prime is 1677557117. The next prime is 1677557149. The reversal of 1677557136 is 6317557761.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 34949107 = 1677557136 / (1 + 6 + 7 + 7 + 5 + 5 + 7 + 1 + 3 + 6).

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 3 ways as a sum of consecutive naturals, for example, 17474506 + ... + 17474601.

Almost surely, 2^1677557136 is an apocalyptic number.

1677557136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1677557136 is an abundant number, since it is smaller than the sum of its proper divisors (2656132256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1677557136 is a wasteful number, since it uses less digits than its factorization.

1677557136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34949118 (or 34949112 counting only the distinct ones).

The product of its digits is 926100, while the sum is 48.

The square root of 1677557136 is about 40957.9923336093. The cubic root of 1677557136 is about 1188.2079129131.

The spelling of 1677557136 in words is "one billion, six hundred seventy-seven million, five hundred fifty-seven thousand, one hundred thirty-six".