1682565157 has 16 divisors (see below), whose sum is σ = 2192666112. Its totient is φ = 1252949760.

The previous prime is 1682565151. The next prime is 1682565163. The reversal of 1682565157 is 7515652861.

It is an interprime number because it is at equal distance from previous prime (1682565151) and next prime (1682565163).

It is a cyclic number.

It is not a de Polignac number, because 1682565157 - 2¹⁵ = 1682532389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682565151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542269 + ... + 545362.

It is an arithmetic number, because the mean of its divisors is an integer number (137041632).

Almost surely, 2^1682565157 is an apocalyptic number.

1682565157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1682565157 is a deficient number, since it is larger than the sum of its proper divisors (510100955).

1682565157 is a wasteful number, since it uses less digits than its factorization.

1682565157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087668.

The product of its digits is 504000, while the sum is 46.

The square root of 1682565157 is about 41019.0828395760. The cubic root of 1682565157 is about 1189.3891262441.

The spelling of 1682565157 in words is "one billion, six hundred eighty-two million, five hundred sixty-five thousand, one hundred fifty-seven".